જો $\int {\frac{{2{x^2} + 3}}{{({x^2} - 1)({x^2} + 4)}}dx = a\log \left( {\frac{{x - 1}}{{x + 1}}} \right) + b\tan ^{ - 1}\frac{x}{2} + c}$ હોય,તો $a$ અને $b$ ની કિંમતો શોધો.

  • A
    $(1, -1)$
  • B
    $(-1, 1)$
  • C
    $(\frac{1}{2}, -\frac{1}{2})$
  • D
    $(\frac{1}{2}, \frac{1}{2})$

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