If two tangents are drawn from the point $P$ on the circle $x^2+y^2=4$ to the circle $x^2+y^2=1$,where the point $P$ is given by $(\sqrt{2}, \sqrt{2})$,then the slopes of the tangents are:

  • A
    $2 \pm \sqrt{2}$
  • B
    $1 \pm \sqrt{2}$
  • C
    $2 \pm \sqrt{3}$
  • D
    $1 \pm \sqrt{3}$

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