જો $\int {\frac{{2x + 3}}{{(x - 1)({x^2} + 1)}}dx = {{\log }_e}\left\{ {{{(x - 1)}^{\frac{5}{2}}}{{({x^2} + 1)}^a}} \right\}} - \frac{1}{2}{\tan ^{ - 1}}x + A$,જ્યાં $A$ એ કોઈ સ્વૈચ્છિક અચળાંક છે,તો $a$ ની કિંમત શોધો.

  • A
    $5/4$
  • B
    $-5/3$
  • C
    $-5/6$
  • D
    $-5/4$

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$\int \frac{e^x}{(2+e^x)(e^x+1)} dx =$ (જ્યાં $C$ એ સંકલનનો અચળાંક છે.)

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

જો $\int \frac{3x+1}{(x-1)(x-2)(x-3)} dx = A \log |x-1| + B \log |x-2| + C \log |x-3| + K$ હોય,તો $A, B$ અને $C$ ની કિંમતો અનુક્રમે શું થાય?

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