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1. |
If \(\frac{a}{{1 - a}} + \frac{b}{{1 - b}} + \frac{c}{{1 - c}} = 1\). then the value of \(\frac{1}{{1 - a}} + \frac{1}{{1 - b}} + \frac{1}{{1 - c}} \) is |
A. | 0 |
B. | 1 |
C. | 2 |
D. | 4 |
Answer» E. | |