MCQOPTIONS
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| 1. |
What is the value of [1/(1 + xb - a + xc - a) + 1/(1 + xa - b + xc - b) + 1/(1 + xa - c + xb - c)] where x ≠ 0? |
| A. | -1 |
| B. | 0 |
| C. | 1 |
| D. | 3 |
| Answer» D. 3 | |