Math, asked by harshit8921, 2 months ago

using the identities find the value of:

(138)²- (62)²

Answers

Answered by pushkart03

3

Answer:

using identities a²-b² = (a+b) (a-b)

= (138 + 62) (138-62)

= 200 × 76 = 15200

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