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If two circles (x-1)^(2)+(y-3)^(2)=r^(2)...

If two circles `(x-1)^(2)+(y-3)^(2)=r^(2)` and `x^(2)+y^(2)-8x+2y+8=0` intersect in two distinct points , then

A

`2ltrlt 8`

B

`rlt2`

C

r=2

D

`rgt2`

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