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MATH / If the sum of the squares of nonnegative real numbers a,b, and c is 13, and ab+bc+ca=6, then what is the sum of a,b, and c? · Discussion

Discussing If the sum of the squares of nonnegative real numbers a,b, and c is 13, and ab+bc+ca=6, then what is the sum of a,b, and c? · MATH

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