MCQ
જો $\sin y + {e^{ - x\,\cos y}} = e,$ તો ${{dy} \over {dx}}$ એ $(1,\pi )$ આગળ મેળવો.
- A$\sin y$
- B$ - x\cos y$
- ✓$e$
- D$\sin y - x\,\cos y$
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