MCQ
यदि $y=\tan ^{-1} \sqrt{x}$ तो $\frac{-d y}{d x}=$
- A$\frac{1}{2 \sqrt{x(1-x)}}$
- B$\frac{1}{x(1+x)}$
- C$\frac{1}{x^2(1+x)}$
- ✓$\frac{1}{2 \sqrt{x}(1+x)}$
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