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1. |
If x + y + z = 1, x2 + y2 + z2 = 2 and x3 + y3 + z3 = 3, then what is the value of xyz? |
A. | 1/3 |
B. | 1/6 |
C. | 1/2 |
D. | 1/4 |
Answer» C. 1/2 | |