यदि $\int x \sin x \, dx = -x \cos x + A$ है,तो $A = $

  • A
    $\sin x + \text{अचर}$
  • B
    $\cos x + \text{अचर}$
  • C
    $\text{अचर}$
  • D
    $\text{इनमें से कोई नहीं}$

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$\int x^3 e^{x^2} dx = $

$\int e^{\sqrt{x}} \, dx$ का मान ज्ञात कीजिए ($A$ एक स्वेच्छ अचर है)।

$\int \sin(\log x) \, dx = $

$\int (\log x)^3 x^5 dx = $

यदि $\int e^{x^2} \cdot x^3 \, dx = e^{x^2} f(x) + c$ और $f(1) = 0$ है (जहाँ $c$ समाकलन का एक स्थिरांक है),तो $f(x)$ का मान ज्ञात कीजिए।

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