MCQ
यदि $y=\sqrt{x+\sqrt{x+\sqrt{x+\ldots}}}$ to $\infty$ तो $\frac{d y}{d x}=$
- ✓$\frac{1}{2 y-1}$
- B$\frac{1}{2 y+1}$
- C$\frac{1}{y+1}$
- D$\frac{1}{y-1}$
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