$\int \frac{x^3-1}{x^3+x} dx =$

  • A
    $x+\log |x|+\frac{1}{2} \log (x^2+1)+\sin ^{-1}(x)+c$
  • B
    $x-\log |x|+\frac{1}{2} \log (x^2+1)-\sin ^{-1}(x)+c$
  • C
    $x+\log |x|-\frac{1}{2} \log (x^2+1)+\tan ^{-1}(x)+c$
  • D
    $x-\log |x|+\frac{1}{2} \log (x^2+1)-\tan ^{-1}(x)+c$

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यदि $\int {\frac{{2x + 3}}{{(x - 1)({x^2} + 1)}}dx = {{\log }_e}\left\{ {{{(x - 1)}^{\frac{5}{2}}}{{({x^2} + 1)}^a}} \right\}} - \frac{1}{2}{\tan ^{ - 1}}x + A$,जहाँ $A$ एक स्वैच्छिक स्थिरांक है,तो $a$ का मान ज्ञात कीजिए।

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$\int {\frac{{{x^2}}}{{({x^2} + 2)({x^2} + 3)}}} \,dx = $

$\int \frac{dx}{(x+1)(x+2)}$ का मान ज्ञात कीजिए।

$\int \frac{x}{(x - 2)(x - 1)} \, dx$ का सही मूल्यांकन क्या है? (जहाँ $p$ एक स्वेच्छ अचर है):

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

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