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MATH / Find the minimum value of 2x²+2y²+5z²−2xy−4yz−4x−2z+15 over all real numbers x, y, z. · Discussion

Discussing Find the minimum value of 2x²+2y²+5z²−2xy−4yz−4x−2z+15 over all real numbers x, y, z. · MATH

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