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Consider the relation 4l^(2)-5m^(2)+6l+1...

Consider the relation `4l^(2)-5m^(2)+6l+1=0`, where l, m `inR`.
The line lx+my+1=0 touches a fixed circle whose equation is

A

`x^(2)+y^(2)-4x-5=0`

B

`x^(2)+y^(2)+6x+6=0`

C

`x^(2)+y^(2)-6x+4=0`

D

`x^(2)+y^(2)+4x-4=0`

Text Solution

Verified by Experts

The correct Answer is:
`x^(2)+y^(2)-6x+4=0`
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