Identities

Question 4: Expand each of the following, using suitable identities: (i) (x + 2y + 4z)2 (ii) (2x – y + z)2 (iii) (–2x + 3y + 2z)2 (iv) (3a – 7b – c)2 (v) (–2x + 5y – 3z)2…

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Question 3: Factorise the following using appropriate identities: (i) 9×2 + 6xy + y2 (ii) 4y2 – 4y + 1 (iii) x2 – y2/100 Question 2 Question 4 Prerequisite Algebraic Identities  

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Question 2: Evaluate the following products without multiplying directly: (i) 103 × 107 (ii) 95 × 96 (iii) 104 × 96 Question 1 Question 3 Prerequisite Algebraic Identities  

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Question 1: Use suitable identities to find the following products: (i) (x + 4) (x + 10) (ii) (x + 8) (x – 10) (iii) (3x + 4) (3x – 5) (iv) (y2 + 3/2 ) (y2 – 3/2 )…

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