$f^{\prime}(x) = 3 \sin x - 4 \sin^3 x$ और $f(0) = \frac{1}{3}$ है,तो $c$ का मान ज्ञात कीजिए,जहाँ $c$ समाकलन स्थिरांक है।

  • A
    $\frac{2}{3}$
  • B
    $-\frac{2}{3}$
  • C
    $0$
  • D
    $-\frac{3}{2}$

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$\int {\{ 1 + 2\tan x(\tan x + \sec x)\} }^{1/2} dx = $

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निरीक्षण विधि द्वारा फलन $e^{2x}$ का प्रति-अवकलज (या समाकल) ज्ञात कीजिए।

$\int \frac{\cos 2x}{\cos x} dx = $

$\int \frac{dx}{\cos 2x + \sin^2 x} = $

यदि $\int \frac{1+\cos (4 x)}{\cot (x)-\tan (x)} d x=A \cos (4 x)+B$ है,तो $A$ का मान ज्ञात कीजिए।

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