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

If the circles `(x+1)^(2)+(y+2)^(2)=r^(2)` and `x^(2)+y^(2)-4x-4y+4=0` intersect at exactly two distinct points,then

A

`5ltrlt9`

B

`3ltrlt7`

C

`0ltrlt7`

D

`1/2ltrlt7`

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