$\frac{d}{d x}\left(\frac{x+5}{(x+1)^2(x+2)}\right)=$

  • A
    $\frac{8}{(x+2)^2}-\frac{3}{(x+1)^2}+\frac{3}{(x+1)^3}$
  • B
    $\frac{3}{(x+1)^2}-\frac{3}{(x+2)^2}-\frac{8}{(x+1)^3}$
  • C
    $\frac{3}{(x+2)^2}-\frac{3}{(x+1)^3}-\frac{8}{(x+1)^2}$
  • D
    $\frac{8}{(x+2)^2}-\frac{3}{(x+1)^3}+\frac{3}{(x+1)^2}$

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