(2x+3y)²- (2x-3y)² =24xy
prove that
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Answers
Answered by
1
Answer:
(2x+3y)²-(2x-3y)² = (4x²+12xy+9y²)-(4x²-12xy+9y²)
[using identities (a+b)²=a²+2ab+b²
(a-b)²=a²-2ab+b²]
=4x²+12xy+9y²-4x²+12xy-9y²
=12xy+12xy
=24xy
Hence proved.
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Answered by
3
Answer:
I am fine...too..
my dear phirend..
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