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1. |
If x + y + z = 0, then what is (y + z - x)3 + (z + x - y)3 + (x + y -z)3 equal to? |
A. | (x + y + z)3 |
B. | 3(x + y) (y + z) (x + z) |
C. | 24xyz |
D. | -24xyz |
Answer» E. | |