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Please solve RD Sharma class 12 chapter 10 Differentiation exercise Fill in the blanks question  21 maths textbook solution

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Answer: \frac{\log _{10} e}{x}

Hint: \text { use: }\left[\frac{d}{d x} \log _{e} x=\frac{1}{x}\right]

Given: \text { If } \quad y=\log _{10} x

Solution:  \log _{10} x

\begin{aligned} &y=\log _{10} e \cdot \log _{e} x \\\\ &\frac{d y}{d x}=\log _{10} e\times \frac{1}{x} \end{aligned}


So the answer is \frac{\log _{10} e}{x}


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