If x+y+z=22 and xy+yz+zx=35, then what is the value of (x-y)2 +(y-z)2+(z-x)2?
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Q:
If x+y+z=22 and xy+yz+zx=35, then what is the value of (x-y)2 +(y-z)2+(z-x)2?
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