यदि $\int \frac{1}{\cos 4x \cos 2x} dx = \frac{1}{2\sqrt{2}} \log \left(\frac{1+f(x)}{1-f(x)}\right) - \frac{1}{2} \log g(x) + C$ है,तो $g\left(\frac{\pi}{6}\right) - \sqrt{2} f\left(\frac{\pi}{6}\right)$ का मान ज्ञात कीजिए।

  • A
    $\frac{\pi}{2\sqrt{2}}$
  • B
    $\pi+3$
  • C
    $2$
  • D
    $1$

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मान लीजिए $\tan^0 x = 1$ है। यदि $\int \left( \sum_{k=0}^7 \tan^k x \right) dx = \sum_{k=1}^7 A_k \tan^k x + C$ है, तो $\sum_{k=1}^7 A_k$ का मान ज्ञात कीजिए।

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

यदि $\int \tan (x - \alpha) \cdot \tan (x + \alpha) \cdot \tan 2 x \ d x = p \log |\sec 2 x| + q \log |\sec (x + \alpha)| + r \log |\sec (x - \alpha)| + c$ है,तो $p + q + r = . . . . . .$

$\int \frac{1}{x \sqrt{x^6+1}} \, dx =$

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