MCQ
$\frac{d}{d x}\left(\log _5 x^2\right)=\cdots(x>0)$
- A$\frac{1}{(\log 5) x}$
- B$\frac{1}{x^2}$
- C$\frac{2}{(\log 5) x}$
- D$\frac{1}{(\log 5) x^2}$
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(જ્યાં $C$ એ સંકલ્યકારક અચળાંક છે.)