यदि $y=\frac{(x+1)^2 \sqrt{x-1}}{(x+4)^3 e^x}$ है, तो $\frac{d y}{d x}=$

  • A
    $\frac{(x+1)^3 \sqrt{x-1}}{(x+4)^2 e^x}\left[\frac{2}{x+1}+\frac{1}{2(x-1)}-\frac{3}{x+4}-1\right]$
  • B
    $\frac{(x+1)^2 \sqrt{x-1}}{(x+4)^3 e^x}\left[\frac{2}{x+1}+\frac{1}{2(x-1)}+\frac{3}{x+4}-1\right]$
  • C
    $\frac{(x+1)^2 \sqrt{x-1}}{(x+4)^3 e^x}\left[\frac{2}{x+1}+\frac{1}{2(x-1)}-\frac{3}{x+4}-1\right]$
  • D
    $\frac{(x+1) \sqrt{x-1}}{(x+4)^2 e^x}\left[\frac{2}{x+1}+\frac{1}{x-1}-\frac{3}{4+x}-1\right]$

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