$\int \frac{dx}{(x^2+1)(x^2+4)} = $

  • A
    $\frac{1}{3} \tan^{-1} x + \frac{1}{6} \tan^{-1}(\frac{x}{2}) + C$
  • B
    $\frac{1}{3} \tan^{-1} x - \frac{1}{3} \tan^{-1}(\frac{x}{2}) + C$
  • C
    $\frac{1}{3} \tan^{-1} x + \frac{1}{3} \tan^{-1}(\frac{x}{2}) + C$
  • D
    $\frac{1}{3} \tan^{-1} x - \frac{1}{6} \tan^{-1}(\frac{x}{2}) + C$

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સંકલન શોધો: $\int \frac{dx}{\sin x + \sin 2x}$

વિધેયનું સંકલન કરો: $\frac{1}{x-x^{3}}$

જો $\int \frac{dx}{(x+1)(x-2)(x-3)}=\frac{1}{k} \log_e \left\{ \frac{|x-3|^3|x+1|}{(x-2)^4} \right\}+c$ હોય, તો $k$ ની કિંમત શોધો.

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

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