फलन $f(x)$,जो शर्त $f(x)=x+\int_{0}^{\pi / 2} \sin x \cdot \cos y f(y) dy$ को संतुष्ट करता है,वह है:

  • A
    $x+\frac{2}{3}(\pi-2) \sin x$
  • B
    $x+(\pi+2) \sin x$
  • C
    $x+\frac{\pi}{2} \sin x$
  • D
    $x+(\pi-2) \sin x$

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मान लीजिए $I_{n}(x)=\int_{0}^{x} \frac{1}{(t^{2}+5)^{n}} dt, n=1, 2, 3, \ldots$. तो

यदि $\int \frac{\cos 4x + 1}{\cot x - \tan x} dx = k \cos 4x + c$ है,तो $k$ का मान ज्ञात कीजिए।

$\int \frac{1}{(x^2 - 1)\sqrt{x^2 + 1}} \, dx = $

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यदि $I_n = \int \frac{\sin nx}{\cos x} dx$ है,तो $I_n =$

$\int {\frac{{2x + 5}}{{\sqrt {7 - 6x - {x^2}} }}dx} = A\sqrt {7 - 6x - {x^2}} + B\,{\sin ^{ - 1}}\left( {\frac{{x + 3}}{4}} \right) + C$ (जहाँ $C$ समाकलन का एक स्थिरांक है),तो क्रमित युग्म $(A, B)$ बराबर है

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