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The number of tangtnts from (1,2) to the...

The number of tangtnts from (1,2) to the circle `x^(2)+y^(2)-2 x-4 y+4=0` is

A

`pm (4)/(3)`

B

`pm (3)/(4)`

C

1,2

D

3,0

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The correct Answer is:
A
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