MCQ
यदि $x^y= e ^{ x - y }$ है तो $\frac{d y}{d x}$
- A$\frac{\log x}{(1+\log x)^2}$
- B$\frac{\log x}{1+\log x}$
- C$\frac{\log x}{(1+\log x)^2}$
- Dइनमें से कोई नहीं
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