$\int \cos (\log x) \, dx$ का मान क्या है?

  • A
    $\frac{1}{2}[\sin (\log x)+\cos (\log x)]+C$
  • B
    $\frac{x}{2}[\sin (\log x)+\cos (\log x)]+C$
  • C
    $\frac{x}{2}[\sin (\log x)-\cos (\log x)]+C$
  • D
    $\frac{1}{2}[\sin (\log x)-\cos (\log x)]+C$

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