(3xy-2ab)cube - (3xy+2ab)cube
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(3x-2ab)³ - (3xy+2ab)³
here we will use third identity
(a+b)(a-b)= a²-b²
(27x)²-(8ab)²
729-64
665
here we will use third identity
(a+b)(a-b)= a²-b²
(27x)²-(8ab)²
729-64
665
Answered by
9
I m not sure whether I m correct but hope it helps
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RashtraMitra:
thanks broo
hi
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