Math, asked by srienterprises1977, 5 months ago

Using identities, evaluate 9992.

Answers

Answered by pavani7562

5

Answer:

we have

(900)²= (1000-1)²

=(1000)²-2*1000*1+ 1²

by using

(a-b)² a²-2ab +b² identity

1000-2000+1

=998001

is the answer

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