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If the two circles $(x-1)^2+(y-3)^2=r^2$ and $x^2+y^2-8x+2y+8=0$ intersect in two distinct point then

$\begin{array}{1 1}(A)\;r >2 \\(B)\;2 < r < 8 \\(C)\;r < 2 \\(D)\;r=2 \end{array}$

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