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1. |
If a - (1/a) = b, b - (1/b) = c and c - (1/c) = a, then what is the value of (1/ab) + (1/bc) + (1/ca)? |
A. | -3 |
B. | -6 |
C. | -1 |
D. | -9 |
Answer» B. -6 | |