1.

Which of the following is same as \((x-y)^3 + (y-z)^3 + (z-x)^3\)?

A. \(2x^3 + 2y^3 + 2z^3\)
B. 0
C. (x-y) (y-z) (z-x)
D. 3(x-y) (y-z) (z-x)
Answer» E.


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