જો $\int e^x \left( \frac{x^2-8x+19}{(x-1)^5} \right) dx = \frac{e^x(lx+m)}{(x-1)^4} + C$ હોય,તો $4l+m=$

  • A
    -$5$
  • B
    -$2$
  • C
    $1$
  • D
    $0$

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$\int \frac{e^{\sin x}(\sin 2x - 8 \cos x)}{2(\sin x - 3)^2} dx =$

$\int e^{\tan ^{-1} x} \left(1 + \frac{x}{1 + x^2} \right) dx$

$\int \frac{1+\sin (\log x)}{1+\cos (\log x)} d x=$

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