If the pole of the line $3x - 16y + 48 = 0$ with respect to the hyperbola $9x^2 - 16y^2 = 144$ is $(\alpha, \beta)$,then $\alpha - \beta = $

  • A
    $0$
  • B
    $-3$
  • C
    $2$
  • D
    $-7$

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