If $\frac{3x + a}{x^2 - 3x + 2} = \frac{A}{x - 2} - \frac{10}{x - 1}$,then

  • A
    $a = 7$
  • B
    $a = -7$
  • C
    $A = 13$
  • D
    $(a)$ and $(c)$ both

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