Math, asked by preshitabhagat, 4 months ago

evaluate the following by using suitable identity :(97)²

Answers

Answered by Naimeesya

19

97=(100-3)

97²=(100-3)²

(100-3)² [using (a-b)²=a²+b²-2ab]

=(100)²+(3)²-2×100×3

=10000+9-600

=9409

hope it will help you.

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