$\int \frac{e^{\tan ^{-1} x}}{1+x^2}\left[\left(\sec ^{-1} \sqrt{1+x^2}\right)^2+\cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right)\right] d x, x>0=$

  • A
    $\left(\tan ^{-1} x\right)^2 e^{\tan ^{-1} x}+c$,જ્યાં $c$ સંકલનનો અચળાંક છે.
  • B
    $\left(\tan ^{-1} x\right) e^{\tan ^{-1} x}+c$,જ્યાં $c$ સંકલનનો અચળાંક છે.
  • C
    $\left(\tan ^{-1} x\right) e^{2 \tan ^{-1} x}+c$,જ્યાં $c$ સંકલનનો અચળાંક છે.
  • D
    $\left(\tan ^{-1} x\right)^2 e^{2 \tan ^{-1} x}+c$,જ્યાં $c$ સંકલનનો અચળાંક છે.

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