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Omni-MATH / Find the largest real number λ such that a²+b²+c²+d²≥ab+λbc+cd for all real numbers a,b,c,d. · Discussion

Discussing Find the largest real number λ such that a²+b²+c²+d²≥ab+λbc+cd for all real numbers a,b,c,d. · Omni-MATH

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