Math, asked by Vinod4269, 4 months ago

Evaulate 99 whole square using suitable identy

Answers

Answered by giridharbhat332

0

Answer:

it is (a+b)^2 =a^2+b^2+2ab

(90+9)^2

90^2+9^2+90*2*9

8100+81+1620

9801

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