વિધેયનું $x$ ની સાપેક્ષમાં વિકલન કરો: $(\log x)^{\cos x}$

  • A
    $(\log x)^{\cos x} \left[ \frac{\cos x}{x \log x} - \sin x \log(\log x) \right]$
  • B
    $(\log x)^{\cos x} \left[ \frac{\cos x}{x \log x} + \sin x \log(\log x) \right]$
  • C
    $(\log x)^{\cos x} \left[ \frac{\sin x}{x \log x} - \cos x \log(\log x) \right]$
  • D
    $(\log x)^{\cos x} \left[ \frac{\sin x}{x \log x} + \cos x \log(\log x) \right]$

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