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Circle is tangent to the line y=x at the...

Circle is tangent to the line `y=x` at the point `P(1,1)` and poses through point `(1,-3)` find the radius of the circle

A

`sqrt(2)`

B

`2sqrt(2)`

C

`(1)/(sqrt(2))`

D

`3sqrt(2)`

Text Solution

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The correct Answer is:
B
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