$\int \frac{x^4+1}{1+x^6} dx =$

  • A
    $\tan^{-1}(x^3) + \tan^{-1} x + c$
  • B
    $\frac{1}{3} \tan^{-1} x + \tan^{-1} x^3 + c$
  • C
    $3 \tan^{-1} x^3 + \tan^{-1} x + c$
  • D
    $\tan^{-1} x + \frac{1}{3} \tan^{-1} x^3 + c$

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$\int \frac{2x + 1}{(x^2 + 4x + 1)^{3/2}} \, dx$

Difficult
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$\int \sqrt{x^2+x+1} \, dx \times \int \frac{1}{\sqrt{x^2+x+1}} \, dx$ का मान ज्ञात कीजिए।

यदि $\int \frac{1}{1-\cot x} dx = Ax + B \log |\sin x - \cos x| + C$ है,तो $A + B = \dots$

यदि $f(x) = \int {\left( {\frac{{{x^2} + {{\sin }^2}x}}{{1 + {x^2}}}} \right)} {\sec ^2}x\,dx$ और $f(0) = 0$ है,तो $f(1)$ का मान ज्ञात कीजिए।

$\int \frac{\sin (x-a)}{\sin (x-b)} d x = A x + B \log |\sin (x-b)| + C \Rightarrow (A, B) = $

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