If the circles $x^2 + y^2 + 2x + 2ky + 6 = 0$ and $x^2 + y^2 + 2ky + k = 0$ intersect orthogonally,then $k$ is

  • A
    $2$ or $-\frac{3}{2}$
  • B
    $-2$ or $\frac{3}{2}$
  • C
    $2$ or $\frac{3}{2}$
  • D
    $-2$ or $-\frac{3}{2}$

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