Identities Archives – Mathemafia http://sh016.global.temp.domains/~mathemaf/tag/identities/ Mathematics is like music - Enjoy it!!! Mon, 05 Oct 2020 09:53:25 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://mathemafia.com/wp-content/uploads/2020/08/cropped-M__Logo__SM-1-32x32.png Identities Archives – Mathemafia http://sh016.global.temp.domains/~mathemaf/tag/identities/ 32 32 Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 14 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-14/ Mon, 05 Oct 2020 09:35:07 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2330 Question 14: Without actually calculating the cubes, find the value of each of the following: (i) (–123 + (7)3 + (5)3 (ii) (28)3 + (–15)3 + (–13)3 Question 13 Question 15 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 14 appeared first on Mathemafia.

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Question 14: Without actually calculating the cubes, find the value of each of the following: (i) (–123 + (7)3 + (5)3 (ii) (28)3 + (–15)3 + (–13)3

Question 13
Question 15

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 14 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 13 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-13/ Mon, 05 Oct 2020 09:35:03 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2329 Question 13: If x + y + z = 0, show that x3 + y3 + z3 = 3xyz. Question 12 Question 14 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 13 appeared first on Mathemafia.

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Question 13: If x + y + z = 0, show that x3 + y3 + z3 = 3xyz.

Question 12
Question 14

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 13 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 12 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-12/ Mon, 05 Oct 2020 09:34:58 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2328 Question 12: Verify that x3 + y3 + z3 – 3xyz = 1/2 (x + y + z) [ (x – y)2 + (y – z)2 + (z – x)2 ] Question 11 Question 13 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 12 appeared first on Mathemafia.

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Question 12: Verify that x3 + y3 + z3 – 3xyz = 1/2 (x + y + z) [ (x – y)2 + (y – z)2 + (z – x)2 ]

Question 11
Question 13

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 12 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 11 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-11/ Mon, 05 Oct 2020 09:34:54 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2327 Question 11: Factorise : 27x3 + y3 + z3 – 9xyz Question 10 Question 12 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 11 appeared first on Mathemafia.

]]>

Question 11: Factorise : 27x3 + y3 + z3 – 9xyz

Question 10
Question 12

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 11 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 10 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-10/ Mon, 05 Oct 2020 09:34:50 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2326 Question 10: Factorise each of the following: (i) 27y3 + 125z3 (ii) 64m3 – 343n3 [Hint : See Question 9.] Question 9 Question 11 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 10 appeared first on Mathemafia.

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Question 10: Factorise each of the following: (i) 27y3 + 125z3 (ii) 64m3 – 343n3

[Hint : See Question 9.]

Question 9
Question 11

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 10 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 9 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-9/ Mon, 05 Oct 2020 09:34:46 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2325 Question 9: Verify : (i) x3 + y3 = (x + y) (x2 – xy + y2 ) (ii) x3 – y3 = (x – y) (x2 + xy + y2 ) Question 8 Question 10 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 9 appeared first on Mathemafia.

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Question 9: Verify : (i) x3 + y3 = (x + y) (x2 – xy + y2 ) (ii) x3 – y3 = (x – y) (x2 + xy + y2 )

Question 8
Question 10

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 9 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 8 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-8/ Mon, 05 Oct 2020 09:34:42 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2324 Question 8: Factorise each of the following: (i) 8a3 + b3 + 12a2b + 6ab2 (ii) 8a3 – b3 – 12a2b + 6ab2 (iii) 27 – 125a3 – 135a + 225a2 (iv) 64a3 – 27b3 – 144a2b + 108ab2 (v)…

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 8 appeared first on Mathemafia.

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Question 8: Factorise each of the following: (i) 8a3 + b3 + 12a2b + 6ab2 (ii) 8a3 – b3 – 12a2b + 6ab2 (iii) 27 – 125a3 – 135a + 225a2 (iv) 64a3 – 27b3 – 144a2b + 108ab2 (v) 27p3 – 1 / 216 – 9 /2 p2 + 1 / 4 p

Question 7
Question 9

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 8 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 7 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-7/ Mon, 05 Oct 2020 09:32:30 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2321 Question 7: Evaluate the following using suitable identities: (i) (99)3 (ii) (102)3 (iii) (998)3 Question 6 Question 8 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 7 appeared first on Mathemafia.

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Question 7: Evaluate the following using suitable identities: (i) (99)3 (ii) (102)3 (iii) (998)3
Question 6
Question 8

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 7 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 6 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-6/ Wed, 30 Sep 2020 06:01:10 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2232 Question 6: Write the following cubes in expanded form: (i) (2x + 1)3 (ii) (2a – 3b)3 (iii) (3/2 x + 1)3 (iv) (x – 2/3 y)3 Question 5 Question 7 Prerequisite Algebraic Identities  

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 6 appeared first on Mathemafia.

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Question 6: Write the following cubes in expanded form: (i) (2x + 1)3 (ii) (2a – 3b)3 (iii) (3/2 x + 1)3 (iv) (x – 2/3 y)3

Question 5
Question 7

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 6 appeared first on Mathemafia.

]]> Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 5 https://mathemafia.com/class-9-chapter-2-polynomials-exercise-2-5-question-5/ Wed, 30 Sep 2020 06:01:07 +0000 http://sh016.global.temp.domains/~mathemaf/?p=2231 Question 5: Factorise: (i) 4x2 + 9y2 + 16z2 + 12xy – 24yz – 16xz (ii) 2x2 + y2 + 8z2 – 2 √2 xy + 4 √2 yz – 8xz Question 4 Question 6 Prerequisite Algebraic Identities  

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Question 5: Factorise: (i) 4x2 + 9y2 + 16z2 + 12xy – 24yz – 16xz (ii) 2x2 + y2 + 8z2 – 2 √2 xy + 4 √2 yz – 8xz

Question 4
Question 6

Prerequisite

 

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
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Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

The post Class 9 | Chapter 2 | Polynomials | Exercise 2.5 | Question 5 appeared first on Mathemafia.

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