$\text{यदि } \int \frac{1}{\operatorname{cosec} x+\cos x} d x = \frac{1}{2 \sqrt{3}} \log |f(x)| - \int \frac{\cos x-\sin x}{2+\sin 2 x} d x + c, \text{ तो } x = \frac{\pi}{3} \text{ पर } |f(x)| = $

  • A
    $\frac{3 \sqrt{3}-1}{\sqrt{3}+1}$
  • B
    $\frac{3 \sqrt{3}+1}{\sqrt{3}+1}$
  • C
    $\frac{6 \sqrt{3}-2}{\sqrt{3}+1}$
  • D
    $\frac{6 \sqrt{3}+2}{\sqrt{3}+1}$

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$\int \frac{dx}{2+\cos x} = $ (जहाँ $C$ समाकलन का एक स्थिरांक है।)

यदि $I_n = \int \sin^n x \, dx$ है, तो $n I_n - (n-1) I_{n-2}$ का मान क्या होगा?

यदि $I(x) = \int e^{\sin^2 x} (\cos x \sin 2x - \sin x) dx$ और $I(0) = 1$ है,तो $I\left(\frac{\pi}{3}\right)$ का मान ज्ञात कीजिए।

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