$\int_{2}^{3} \frac{x}{x^{2}-1} d x=$

  • A
    $\left(\frac{-1}{2}\right) \log \left(\frac{8}{3}\right)$
  • B
    $\left(\frac{1}{2}\right) \log \left(\frac{8}{3}\right)$
  • C
    $\left(\frac{-1}{3}\right) \log \left(\frac{8}{3}\right)$
  • D
    $\left(\frac{1}{3}\right) \log \left(\frac{8}{3}\right)$

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જો $k \int_{0}^{1} x \cdot f(3x) \, dx = \int_{0}^{3} t \cdot f(t) \, dt$ હોય,તો $k$ ની કિંમત શોધો.

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