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1. |
If x + y + z = 6, xyz = - 10 and x2 + y2 + z2 = 30, then what is the value of (x3 + y3 + z3)? |
A. | 135 |
B. | 132 |
C. | 130 |
D. | 127 |
Answer» C. 130 | |