मान लीजिए $f(t) = \int \left( \frac{1 - \sin(\ln t)}{1 - \cos(\ln t)} \right) dt$, $t > 1$ के लिए। यदि $f(e^{\pi/2}) = -e^{\pi/2}$ और $f(e^{\pi/4}) = \alpha e^{\pi/4}$ है, तो $\alpha$ का मान ज्ञात कीजिए।

  • A
    $-1 - \sqrt{2}$
  • B
    $-1 - 2\sqrt{2}$
  • C
    $1 + \sqrt{2}$
  • D
    $-1 + \sqrt{2}$

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यदि $\int e^x\left(\frac{x \sin ^{-1} x}{\sqrt{1-x^2}}+\frac{\sin ^{-1} x}{\left(1-x^2\right)^{3 / 2}}+\frac{x}{1-x^2}\right) d x=g(x)+C$ जहाँ $C$ समाकलन स्थिरांक है,तो $g \left(\frac{1}{2}\right)$ का मान ज्ञात कीजिए :

$ \int e^{\sin x} \cdot \left(\frac{\sin x+1}{\sec x}\right) d x $ का मान ज्ञात कीजिए।

यदि $\int e^x(\sin^2 2x - 8 \cos 4x) dx = e^x f(x) + c$ है, तो $f(\frac{\pi}{4}) = $

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