If $f(x)=2 x^4-13 x^2+a x+b$ is divisible by $x^2-3 x+2$,then $(a, b)$ is equal to

  • A
    $(-9,-2)$
  • B
    $(6, 4)$
  • C
    $(9, 2)$
  • D
    $(2, 9)$

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