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Consider the two circles (x-1)^(2) + (y-...

Consider the two circles `(x-1)^(2) + (y-3)^(2) = r^(2)` and `x^(2) + y^(2) - 8x + 2yy + 8 = 0`
What is the distance between the centres of the two circles ?

A

r = 1

B

` 1 lt r lt 2`

C

`r = 2`

D

`2 lt r lt 8`

Text Solution

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The correct Answer is:
D
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