જો $\int e^x(1+x) \cdot \sec ^2(x e^x) \, dx = f(x) + \text{અચળ}$,તો $f(x)$ બરાબર શું થાય?

  • A
    $\cos(x e^x)$
  • B
    $\sin(x e^x)$
  • C
    $2 \tan^{-1}(x)$
  • D
    $\tan(x e^x)$

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જો $\int \left( \frac{4 e^x - 25}{2 e^x - 5} \right) dx = Ax + B \log |2 e^x - 5| + C$ હોય,તો:

$\int \frac{\sec^8 x}{\operatorname{cosec} x} \, dx =$

$\int \frac{1}{x} \log x \, dx$ ની કિંમત શોધો.

વિધેય $\sin x \cdot \sin (\cos x)$ નું સંકલન કરો.

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