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

  • A
    $\log \left[ (1 + e^x)(2 + e^x) \right] + c$
  • B
    $\log \left( \frac{1 + e^x}{2 + e^x} \right) + c$
  • C
    $\log \left[ (1 + e^x)\sqrt{2 + e^x} \right] + c$
  • D
    $\text{આમાંથી કોઈ પણ નહીં}$

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જો $\int \frac{d x}{(x+2)\left(x^2+1\right)}=a \log \left|1+x^2\right|+b \tan ^{-1} x+\frac{1}{5} \log |x+2|+c$ હોય,તો

$\int \frac{dx}{x(x+1)}$ ની કિંમત શોધો, જ્યાં $c$ એ સ્વૈચ્છિક અચળાંક છે.

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

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

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

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