

MCQOPTIONS
Saved Bookmarks
1. |
If (x – 1/x = 1), then what is the value of \(\frac{1}{x}\left( {\frac{1}{{x - 1}} - \frac{1}{{x + 1}} + \frac{1}{{{x^2} + 1}} - \frac{1}{{{x^2} - 1}}} \right)\)? |
A. | ±√5 |
B. | 2/5 |
C. | ±2/√5 |
D. | 4/(5 ± √5) |
Answer» E. | |