Math, asked by shraddha4040, 1 year ago

factorize the sum
fast

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Answered by Anonymous
3
SOLUTION;....⛄
(1-a²)(1-b²)+4ab=1-b²-a²+a²b²+4ab

Split the 4ab into 2ab and 2ab

=1-b²-a²+a²b²+2ab+2ab

=a²b²+2ab+1-(a²+b²-2ab)

=(a²b²+2ab+1)-(a²+b²-2ab)

=(ab+1)²-(a-b)²

=(ab+1-a+b)(ab+1+a-b)

MARK BRAINLIEST
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