Math, asked by saritadevi195432, 5 months ago

(a+b) ^2-(a-b) ^2=_

Answers

Answered by diksha9479

2

Answer:

=4ab

Step-by-step explanation:

(a+b)²-(a-b)²

using identities

=(a²+b²+2ab)-(a²+b²-2ab)

=a²+b²+2ab-a²-b²+2ab

=2ab+2ab

=4ab

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