यदि $\int e^x \left( \frac{1 - \sin x}{1 - \cos x} \right) dx = f(x) + \text{constant}$ है, तो $f(x)$ का मान ज्ञात कीजिए।

  • 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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$\int \frac{(x-3) e^x}{(x-1)^3} d x=$ . . . . . . $+C$.

यदि $f(x)$ का प्रतिअवकलज (antiderivative) $e^x$ है और $g(x)$ का प्रतिअवकलज $\cos x$ है,तो $\int f(x) \cos x \, dx + \int g(x) e^x \, dx = $

$\int_0^1 \frac{e^x(x - 1)}{(x + 1)^3} \, dx = $

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$\int \frac{e^{\tan ^{-1} x}}{1+x^2}\left[\left(\sec ^{-1} \sqrt{1+x^2}\right)^2+\cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right)\right] d x=$

यदि $\int e^{2x} \frac{2(\sin 2x \cos 2x - 1)}{2 \sin^2 2x} dx = A e^{2x} \cot 2x + c$ (जहाँ $c$ समाकलन स्थिरांक है), तो $A^3 =$ ?

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