$\int {\frac{{{x^2}}}{{{x^2} + 4}}\,dx} $ का मान क्या है?

  • A
    $x - 2\tan^{-1}(x/2) + c$
  • B
    $x + 2\tan^{-1}(x/2) + c$
  • C
    $x - 4\tan^{-1}(x/2) + c$
  • D
    $x + 4\tan^{-1}(x/2) + c$

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