$\int \frac{2 x^3-4 x^2-x-3}{x^2-2 x-3} d x=$

  • A
    $\frac{7}{2} \log |x-1|+\frac{3}{2} \log |x+3|+c$
  • B
    $2 \log |x-1|+\frac{7}{2} \log |x+3|+c$
  • C
    $2 x+\frac{1}{2} \log |x+1|+\frac{3}{4} \log |x-3|+c$
  • D
    $x^2+2 \log |x+1|+3 \log |x-3|+c$

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જો $\int \frac{\cos \theta}{5+7 \sin \theta-2 \cos ^2 \theta} d \theta=A \log _e|f(\theta)|+c$ (જ્યાં $c$ એ સંકલનનો અચળાંક છે),તો $\frac{f(\theta)}{A}$ શું હોઈ શકે?

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જો $\int \frac{2x^2+3}{(x^2-1)(x^2-4)} dx = \log \left[\left(\frac{x-2}{x+2}\right)^a \cdot \left(\frac{x+1}{x-1}\right)^b\right] + c$,(જ્યાં $c$ એ સંકલનનો અચળાંક છે),તો $a+b$ ની કિંમત શોધો.

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