Math, asked by pavithra1471, 7 months ago

Using identities find the value of (8.7) ^2 - (7.7)^2

Answers

Answered by Bidikha

2

Answer:

(8.7)²-(7.7)²

=(8.7+7.7)(8.7-7.7)

=16.4×1

=16.4

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