$\int e^x \left( \frac{1+\sin x}{1+\cos x} \right) dx =$

  • A
    $e^x \tan \frac{x}{2} + c$
  • B
    $e^x \cot \frac{x}{2} + c$
  • C
    $e^x \cos \frac{x}{2} + c$
  • D
    $e^x \sin \frac{x}{2} + c$

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मान लीजिए $f(x) = \frac{2\sin^2 x - 1}{\cos x} + \frac{\cos x(2\sin x + 1)}{1 + \sin x}$ है,तो $\int e^x(f(x) + f'(x)) dx$ ज्ञात कीजिए (जहाँ $c$ समाकलन का स्थिरांक है)।

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$\int \frac{\log x}{(1 + \log x)^2} dx = $

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

$\int {{e^{{{\tan }^{ - 1}}x}}} \left( {\frac{{1 + x + {x^2}}}{{1 + {x^2}}}} \right)dx$ का मान ज्ञात कीजिए।

निश्चित समाकलन $\int_{1}^{2}\left(\frac{1}{x}-\frac{1}{2 x^{2}}\right) e^{2 x} d x$ का मान ज्ञात कीजिए।

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