$\int \frac{x^2-1}{x^3 \sqrt{2 x^4-2 x^2+1}} d x=$

  • A
    $\frac{1}{2 x^2} \sqrt{2 x^4+2 x^2+1}+C$
  • B
    $\frac{1}{2 x^2} \sqrt{2 x^4-2 x^2+1}+C$
  • C
    $\frac{1}{2 x^2} \sqrt{4 x^4-2 x^2+1}+C$
  • D
    $\frac{1}{2 x^2} \sqrt{4 x^4+2 x^2+1}+C$

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यदि $\int \frac{\sin ^{\frac{3}{2}} x+\cos ^{\frac{3}{2}} x}{\sqrt{\sin ^3 x \cos ^3 x \sin (x-\theta)}} d x=A \sqrt{\cos \theta \tan x-\sin \theta}+B \sqrt{\cos \theta-\cot x \sin \theta}+C,$ जहाँ $C$ समाकलन स्थिरांक है,तो $AB$ का मान ज्ञात कीजिए।

दिया गया है कि $\int_0^\infty \frac{x^2 \, dx}{(x^2 + a^2)(x^2 + b^2)(x^2 + c^2)} = \frac{\pi}{2(a + b)(b + c)(c + a)}$,तो $\int_0^\infty \frac{x^2 \, dx}{(x^2 + 4)(x^2 + 9)}$ का मान ज्ञात कीजिए।

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मान लीजिए $\alpha \in (0, \pi /2)$ स्थिर है। यदि समाकलन $\int \frac{\tan x + \tan \alpha}{\tan x - \tan \alpha} dx = A(x) \cos 2\alpha + B(x) \sin 2\alpha + C$ है,जहाँ $C$ समाकलन का एक स्थिरांक है,तो फलन $A(x)$ और $B(x)$ क्रमशः क्या हैं?

$\begin{aligned} & \text{यदि } 5(f(x))^2 = x f(x) + 30 \text{ और } \\ & \int \frac{3 x^3 + (1 - 30 x^2) f(x)}{(10 f(x) - x)(x^3 - f(x))^2} dx \\ & = \frac{A}{B x^3 + D f(x)} + C, \text{ तो } A + B + D = \end{aligned}$

$\int \frac{2 \cos 3 x-3 \sin 3 x}{\cos 3 x+2 \sin 3 x} d x=$

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