$\frac{e^{-\pi/4} + \int_0^{\pi/4} e^{-x} \tan^{50} x \, dx}{\int_0^{\pi/4} e^{-x} (\tan^{49} x + \tan^{51} x) \, dx}$ ની કિંમત શોધો.

  • A
    $50$
  • B
    $49$
  • C
    $51$
  • D
    $25$

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જો $\int \frac{e^{\frac{x}{2}}}{\sqrt{e^{-x}-e^x}} \, dx = \sin^{-1}(f(x)) + C$,(જ્યાં $C$ એ સંકલનનો અચળાંક છે),તો $f(2)$ ની કિંમત શોધો:

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