જો $\int_1^2 \frac{dx}{(x^2-2x+4)^{\frac{3}{2}}} = \frac{k}{k+5}$ હોય,તો $k$ ની કિંમત શોધો.

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

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