Math, asked by dikshitaborah64, 1 month ago

Using the identity (a-b)²=a²-2ab+b², find (5a-7b)²

Answers

Answered by ramimarahman123

0

Answer:

Hope my answer will help you.

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Answered by harsh14112005

0

Step-by-step explanation:

(5a-7b)^2 = (5a)^2 -2(5a)(7b) + (7b)^2

= 25a^2 -70ab + 49b^2

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