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Simplify: i. (x + y)^3 – (x – y)^3 ii. (3a + 5b)^3 – (3a – 5b)^3

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Simplify:

i. (x + y)3 – (x – y)3

ii. (3a + 5b)3 – (3a – 5b)3

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i. (x + y)3 – (x – y)3

Here, a = x + y and b = x – y

ii. (3a + 5b)3 – (3a – 5b)3 

Here, A = 3a + 5b and B = 3a – 5b

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