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" 2.If "x+y+z=8" and "xy+yz+zx=20," find...

" 2.If "x+y+z=8" and "xy+yz+zx=20," find the value of "x^(3)+y^(3)+z^(3)-3xyz

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If x+y+z=6 and xy+zx+zy=10 then find the value of x^(3)+y^(3)+z^(3)-3xyz .

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