ધારો કે $I(x) = \int \frac{x^2(x \sec^2 x + \tan x)}{(x \tan x + 1)^2} dx$. જો $I(0) = 0$ હોય,તો $I(\frac{\pi}{4})$ ની કિંમત શોધો.

  • A
    $\log_e \frac{(\pi+4)^2}{16} - \frac{\pi^2}{4(\pi+4)}$
  • B
    $\log_e \frac{(\pi+4)^2}{16} + \frac{\pi^2}{4(\pi+4)}$
  • C
    $\log_e \frac{(\pi+4)^2}{32} - \frac{\pi^2}{4(\pi+4)}$
  • D
    $\log_e \frac{(\pi+4)^2}{32} + \frac{\pi^2}{4(\pi+4)}$

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