$\int {\frac{{{x^2}}}{{\left( {{x^2} + 1} \right)\left( {{x^2} + 4} \right)}}\,} dx$ ની કિંમત શોધો.

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

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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.

જો $\int \frac{x^4+1}{x(x^2+1)^2} dx = A \log |x| + \frac{B}{1+x^2} + c$ હોય,તો $A-B$ ની કિંમત શોધો (જ્યાં $c$ એ સંકલનનો અચળાંક છે).

જો $\int \frac{x+3}{(x-1)^2(2 x-1)} d x=\frac{A}{x-1}+B \log (2 x-1)+C \log (x-1)+K$ હોય, તો $A+B+C=$

સંમેય વિધેયનું સંકલન કરો: $\frac{3x-1}{(x-1)(x-2)(x-3)}$

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

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