MCQOPTIONS
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| 1. |
If \[u={{\sin }^{-1}}\left( \frac{y}{x} \right),\] then \[\frac{\partial u}{\partial x}\] is equal to [Tamilnadu (Engg.) 1992] |
| A. | \[-\frac{y}{{{x}^{2}}+{{y}^{2}}}\] |
| B. | \[\frac{x}{\sqrt{1-{{y}^{2}}}}\] |
| C. | \[\frac{-y}{\sqrt{{{x}^{2}}-{{y}^{2}}}}\] |
| D. | \[\frac{-y}{x\sqrt{{{x}^{2}}-{{y}^{2}}}}\] |
| Answer» E. | |