Suggested: x2+y2+z2=3xyz - prove that x3+y3+z3-3xyz=(x+y+z)(x2+y2+z2-xy-yz-zx) - find the value of x3+y3+z3-3xyz if x2+y2+z2=83 and x+y+z=15 - prove that the function u=x+y+z v=x2+y2+z2-2xy-2yz-2zx=x3+y3+z3-3xyz are functionally dependent - find the value of x^3+y^3+z^3-3xyz if x2+y2+z2=83 and x+y+z=15 - x2+y2+z2=3xyz Browse related:
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