MCQ
यदि $y=\log \{\log (\log x)\}$, तब $\frac{d y}{d x}=$
- A$\frac{1}{\log (\log y)}$
- ✓$\frac{1}{x \log x \log (\log x)}$
- C$\frac{1}{x \log (\log x)}$
- Dकोई नहीं (None)
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