Math, asked by pishuszar134, 9 months ago

Evaluate (91)2 by using identity.

Answers

Answered by sishita753

5

Answer:

(91)^2 = (100-9)^2

= (100)^2 + (9)^2 - 2*100*9

= 10000+81-1800

= 10081-1800

= 8281

Answered by Anonymous

2

Answer:

mark as the brainliest answer..

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