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The condition for a line y = 2x + c to t...

The condition for a line y = 2x + c to touch the circle `x^(2) + y^(2) = 16` is

A

c=10

B

`c^(2)=80`

C

`c=12`

D

`c^(2)=64`

Text Solution

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The correct Answer is:
B
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