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MATH / The roots of x⁴−Kx³+Kx²+Lx+M=0 are a, b, c, and d. If K, L, and M are real numbers, compute the minimum value of the sum a²+b²+c²+d². · Discussion

Discussing The roots of x⁴−Kx³+Kx²+Lx+M=0 are a, b, c, and d. If K, L, and M are real numbers, compute the minimum value of the sum a²+b²+c²+d². · MATH

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