Question

1.3 Expand each of the following using appropriate identities. (a)(a + b)2 x (a - b)2 (b)(a + b + c)2 (C) (a-b-c-a)² (d) [(a + b)2 + (a - b)?] x [(a + b)2 - (a - b)?] -- - X​

Answer 1

Answer:

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Answer 2

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