Math, asked by monishking, 1 year ago

Evaluate (2x+y)^3-(2x-y)^3

Answers

Answered by dontheboss2502

22

(2x+y)³-(2x-y)³
=(2x+y-2x+y)[(2x+y)²+(2x+y)(2x-y)+(2x-y)²]
=2y(4x²+y²+4xy+4x²-y²+4x²+y²-4xy)
=2y(12x²+y²)
=24x²y+2y³

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