જો $\frac{d}{d x}\left(\frac{x^2}{(x+2)(2 x+3)}\right)=\frac{A}{(x+2)^2}+\frac{B}{(2 x+3)^2}$ હોય,તો $A+B=$

  • A
    $1 / 2$
  • B
    $-5$
  • C
    $-3 / 2$
  • D
    $9 / 4$

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

Difficult
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ધારો કે $f(x) = \int \frac{2x}{(x^2+1)(x^2+3)} dx$. જો $f(3) = \frac{1}{2}(\log_e 5 - \log_e 6)$ હોય,તો $f(4)$ ની કિંમત શોધો.

$\int \frac{dx}{x(x^2+1)^3} = ?$

જો $\int \frac{dx}{x(\log x-2)(\log x-3)}=I+C$ હોય, તો $I$ ની કિંમત શોધો.

$\int \limits_0^{\infty} \frac{6}{e^{3 x}+6 e^{2 x}+11 e^x+6} d x$

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