Math, asked by BhawyaR, 2 months ago

Solve this equation, (7+2√7)²

Answers

Answered by rasika2936
1

Answer:

(a+b)²= a²+2ab+b²

here a=7 and b=2√7

so 7²+2×7×2√7+2√7²

49+28√7+4×7

49+28√7+28

77+28√7.

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