Mathegoras

Statistics › Mean and averages › Arithmetic, geometric and harmonic means

Sum of squares from means

High school · ●○○○○ 10 pts

Real numbers xx and yy have an arithmetic mean of 18 and a geometric mean of 92\sqrt{92}. Find x2+y2x^2+y^2.

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arithmetic meangeometric meanalgebraic identitiessum and product of roots