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Question 1: Use Euclid’s division algorithm to find the HCF of :(i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255 Question 2: Show that any positive odd integer is of the form 6q+1, or 6q+3, or 6q+5,…
Read MoreExample 1 : Use Euclid’s algorithm to find the HCF of 4052 and 12576. Example 2: Show that every positive even integer is of the form 2q, and that every positive odd integer is of the form 2q + 1,…
Read MoreTheorem 1.1 (Euclid’s Division Lemma) : Given positive integers a and b, there exist unique integers q and r satisfying a = bq + r, 0 ≤ r < b. Euclid’s Division Algorithm : This algorithm is used to find…
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Read MoreClass 9 | Chapter 6 | Axiom 6.1, 6.2, 6.3, 6.4 | Mathematics NCERT This is a video tutorial that covers the following: Definitions of axiom Ray Line Line segment and their representation Adjacent angles Corresponding angles. Axiom 6.1 – If…
Read MoreIn NCERT books for class 9 and 10, term CPCT is used while proving congruence of triangles or other shapes. Very frequently students ask me this query why I use CPCTC instead of CPCT. The term CPCTC is more accurate…
Read MoreConcept: In this video tutorial, you will learn about the basics of coordinate geometry. This is a must watch video tutorial for class 9 students. This video talks about the coordinate / cartesian plane in length with detailed examples. Different…
Read MoreConcept: This video tutorial is about what a Coordinate / Cartesian / XY Plane in Coordinate Geometry is. The concept has been explained with detailed examples. It is a recommended video for class 9 students. x-coordinate is perpendicular distance from…
Read MoreConcept: This video tutorial explains that x-coordinate (abscissa) of a point in a cartesian plane is also its perpendicular distance from the y-axis. Similarly y-coordinate (ordinate) of a point is equal to the perpendicular distance of the point from x-axis.…
Read MoreQuestion 1: In which quadrant or on which axis do each of the points (– 2, 4), (3, – 1), (– 1, 0), (1, 2) and (– 3, – 5) lie? Verify your answer by locating them on the Cartesian…
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