Math, asked by samriddhsrivastava, 1 year ago

Find square of 199 by using identity

Answers

Answered by suramanksc2017

21

199²

=(200-1)²

=200² - 2×200×1 + 1²

=40000 - 400 + 1

=40001 - 400

=39601

Hope it helps...

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