Ii) Verify that x + y + z - 3xyz = 12 (x + y +z)[(x - y) + (y - z)2 + (z - x)?]

Ii) Verify that x + y + z - 3xyz = 12 (x + y +z)[(x - y) + (y - z)2 +

1.	Ii) Verify that x + y + z - 3xyz = 12 (x + y +z)[(x - y) + (y - z)2 + (z - x)?]
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