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b^2 - a^2 %2B b^2 %2B a^2 %2B 2*(a*b)=0 |
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Answer» a^2 + 2ab + b^2 - a^2 + b^2 = 0 2ab + 2b^2 = 0 2b(a + b) = 0 b = 0, - a |
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