MCQOPTIONS
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| 1. |
If \[y=\frac{{{\sin }^{-1}}x}{\sqrt{1-{{x}^{2}}}}\], then \[(1-{{x}^{2}})\frac{dy}{dx}\] is equal to [RPET 1995] |
| A. | \[x+y\] |
| B. | \[1+xy\] |
| C. | 1? xy |
| D. | \[xy-2\] |
| Answer» C. 1? xy | |