2(a²+b²)=(a+b)². prove that a=b
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Answer:
2a² + 2b² = a² + b² + 2ab
2a² - a² + 2b² - b² = 2ab
a² + b² -2ab = 0
(a - b)² = 0
a-b = 0
a = b
Hence proved.
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