यदि $\int \frac{x+1}{\sqrt{2x-1}} \, dx = f(x) \sqrt{2x-1} + C$ है,जहाँ $C$ एक स्वेच्छ अचर है,तो $f(x)$ किसके बराबर है?

  • A
    $\frac{2}{3}(x+2)$
  • B
    $\frac{2}{3}(x-4)$
  • C
    $\frac{1}{3}(x+4)$
  • D
    $\frac{1}{3}(x+1)$

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