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If 5x - 12y + 10 = 0 and 12y - 5x + 16 =...

If 5x - 12y + 10 = 0 and 12y - 5x + 16 = 0 are two tangents to a circle, then the radius of the circle is

A

1

B

2

C

4

D

6

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The correct Answer is:
A
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