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Omni-MATH / Let x,y, and N be real numbers, with y nonzero, such that the sets (x+y)²,(x−y)²,xy,x/y and 4,12.8,28.8,N are equal. Compute the sum of the possible values of N. · Discussion

Discussing Let x,y, and N be real numbers, with y nonzero, such that the sets {(x+y)²,(x−y)²,xy,x/y} and {4,12.8,28.8,N} are equal. Compute the sum of the possible values of N. · Omni-MATH

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