यदि $\int {e^x \sin x \, dx} = \frac{1}{2} e^x \cdot a + c$ है,तो $a = $

  • A
    $\sin x - \cos x$
  • B
    $\cos x - \sin x$
  • C
    $-\cos x - \sin x$
  • D
    $\cos x + \sin x$

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यदि $\int {\ln ({x^2} + x)dx = x\ln ({x^2} + x) + A}$ है,तो $A = $

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यदि $\int {x^5 e^{-x^2} dx} = g(x) e^{-x^2} + c$,जहाँ $c$ समाकलन का एक स्थिरांक है,तो $g(-1)$ का मान ज्ञात कीजिए।

$\int \frac{x + \sin x}{1 + \cos x} \, dx$ का मान ज्ञात कीजिए।

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$\int [f(x)g''(x) - f''(x)g(x)] dx =$

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