$\int \frac{\cos \sqrt{x}}{\sqrt{x}} dx = $

  • A
    $2\cos \sqrt{x} + c$
  • B
    $2\sin \sqrt{x} + c$
  • C
    $\sin \sqrt{x} + c$
  • D
    $\frac{1}{2}\cos \sqrt{x} + c$

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