Math, asked by sonusonugupta53, 11 months ago

215sq.-205sq. solve by identity

Answers

Answered by ayan417

1

Step-by-step explanation:

215^2-205^2

=using identity =a^2 -b^2=(a+b) (a-b)

=(215+205)(215-205)

=(420)(10)

=4200

please mark me as brainliest....

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