यदि $\int \frac{e^x-1}{e^x+1} dx = f(x) + c$ है, तो $f(x)$ का मान ज्ञात कीजिए।

  • A
    $2 \log (e^x + 1)$
  • B
    $\log (e^{2x} - 1)$
  • C
    $2 \log (e^x + 1) - x$
  • D
    $\log (e^{2x} + 1)$

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Similar Questions

मान लीजिए $f(x) = \tan^{-1}\left(\frac{1+\cos x}{\sin x}\right)$ और $g(x) = \tan^{-1}\left(\frac{\sin x}{1-\cos x}\right)$ है। तो,$\int (f(x) + g(x)) \, dx$ का मान ज्ञात कीजिए।

$\int \frac{5(x^6+1)}{x^2+1} \, dx =$ (जहाँ $C$ एक समाकलन स्थिरांक है।)

$\int a^x \, dx = $

$\int \sqrt{1+2 \cot x(\cot x+\operatorname{cosec} x)} \, dx = $

यदि $\int f'(x) \cdot e^{x^2} dx = (x - 1) \cdot e^{x^2} + k$ है, जहाँ $k$ समाकलन स्थिरांक है, तो $f(x) = \dots$

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