MCQ
જો $y = \log {{1 + \sqrt x } \over {1 - \sqrt x }},$ તો ${{dy} \over {dx}} = $
- A${{\sqrt x } \over {1 - x}}$
- ✓${1 \over {\sqrt x (1 - x)}}$
- C${{\sqrt x } \over {1 + x}}$
- D${1 \over {\sqrt x (1 + x)}}$
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