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if x + y + z - 3xyz = 1/2 ( x+y+z )( ( x-y )^2 + (y-z)^2 + ( z-x)^2 ) |
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Answer» if x + y + z - 3xyz = 1/2 ( x+y+z )( ( x-y )^2 + (y-z)^2 + ( z-x)^2 ) |
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