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Difficulty: 3 of 5 Latest: Symmetric Equations and Expressions
If x, y, z satisfy:

x + y + z = 12,
1/x + 1/y + 1/z = 2, and
x3 + y3 + z3 = -480,

find x2y + xy2 + x2z + xz2 + y2z + yz2.

(No Solution Yet, 4 Comments) Submitted on 2025-03-29 by Danish Ahmed Khan   
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