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The tangent to the circle x^(2)+y^(2)-4x...

The tangent to the circle `x^(2)+y^(2)-4x+2y+k=0` at (1,1) is `x-2y+1=0` then k=

A

`-1`

B

0

C

1

D

2

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-CIRCLES-EXERCISE -I
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  11. Circle touching both the axes and radius 5 is

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