જો $\int e^x \left( \frac{1 - \sin x}{1 - \cos x} \right) dx = f(x) + \text{constant}$ હોય, તો $f(x)$ ની કિંમત શોધો.

  • A
    $e^x \cot \left( \frac{x}{2} \right)$
  • B
    $e^{-x} \cot \left( \frac{x}{2} \right)$
  • C
    $-e^x \cot \left( \frac{x}{2} \right)$
  • D
    $-e^{-x} \cot \left( \frac{x}{2} \right)$

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$\int e^{2x} \frac{(\sin 2x \cos 2x - 1)}{\sin^2 2x} \, dx =$

$\int \frac{\log _e x}{\left(1+\log _e x\right)^2} d x=$

સંકલિતનું મૂલ્ય શોધો: $\int \frac{\log x}{(1+\log x)^2} dx$

$\int {{e^x} \left( {\frac{1}{x} - \frac{1}{{{x^2}}}} \right)} \,dx = $

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