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

  • A
    $\frac{-e^x}{x^2} + c$
  • B
    $\frac{-e^x}{x} + c$
  • C
    $\frac{e^x}{x^2} + c$
  • D
    $\frac{e^x}{x} + c$

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

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

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 = $

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)।

Difficult
View Solution

$\int \frac{(x^{2}+1) e^{x}}{(x+1)^{2}} d x=f(x) e^{x}+C$,जहाँ $C$ एक स्थिरांक है,तो $x = 1$ पर $\frac{d^{3} f}{d x^{3}}$ का मान ज्ञात कीजिए।

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