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

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 points, then :

A

`rlt2`

B

r=2

C

` rgt2`

D

`2ltrlt8`.

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MODERN PUBLICATION-CONIC SECTIONS-EXERCISE
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