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[" 12) Verify that "x^(3)+y^(3)+z^(2)-3x...

[" 12) Verify that "x^(3)+y^(3)+z^(2)-3xyz=2],[3" If "x+y+z=0," show that "x^(3)+y^(3)+z^(3)=3xyz],[" Adwithout actually calcularing the cubes,find the "v]

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