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Mathematics, 25.06.2019 15:30 BigCra

Given xy =4 and x^2 + y^2=a, which exspression is equal to (x+y)^2? a: a+6 b: a+4 c: a+8 d: a

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Given xy =4 and x^2 + y^2=a, which exspression is equal to (x+y)^2? a: a+6 b: a+4 c: a+8 d: a...
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