MCQOPTIONS
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| 1. |
If \[f(x)=\frac{x}{1+x}\], then \[{{f}^{-1}}(x)\] is equal to [AMU 1999] |
| A. | \[\frac{(1+x)}{x}\] |
| B. | \[\frac{1}{(1+x)}\] |
| C. | \[\frac{(1+x)}{(1-x)}\] |
| D. | \[\frac{x}{(1-x)}\] |
| Answer» E. | |