When will the expression the sum of the squares of two numbers'' and the square of the sum of two numbers'' have the same value?

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Answer

1059990

2026-06-01 03:05

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x2 + y2 = (x + y)2

=> x2 + y2 = x2 + 2xy + y2

=> 2xy = 0

=> xy = 0

So, one of x and y must be 0.

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