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The radius of any circle touching both t...

The radius of any circle touching both the lines ` 3x + 4y -1 =0 and 6x + 8y+1 =0` is

A

`3//10`

B

`3//20`

C

`1//5`

D

`2//5`

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The correct Answer is:
B
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(MATHEMATICS)
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