Math, asked by sharmashivani1567, 3 months ago

simplify (7m - 8n)² + (7m + 8n)²

Answers

Answered by anusingh12399

3

Hope it helps

please mark it as brainliest

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Answered by Priyankasaluja712

5

Answer:

Id.used = (a + b) (a - b) = a² + b²

a = 7m and b = 8n

therefore, (7m)² - (8n)²

Therefore, 49 - 64

Therefore, - 15.

Therefore, the answer is - 15.

Hope it helps you ✌️

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