The line `sqrt3x+y-c=0` is atangent to the circle `x^2+y^2=4`, if c is equal to

A

`+-16`

B

`+-4`

C

`+-1`

D

`+-2`

Verified by Experts

Similar Questions

Explore conceptually related problems

Solve the following:Show that the line 3x-4y+15=0 is a tangent to the circle x^2+y^2=9 ,Find the point of contact.

If y+c=0 is a tangent to the circle x^2+y^2-6x-2y+1=0 at (a,4) then

The value of c, for which the line y=2x+c is a tangent to the circle x^2+y^2=16 , is

Answer the following:Show that the line 2x+y+6=0 is a tangent to the circle, x^2+y^2+2x-2y-3=0 .Find its point of contact.

Choose the correct alternative.The equations of the tangent to the circle x^2+y^2=4 which are parallel to the line x+2y+3=0 are

If the line y=mx+c be a tangent to the circle x^2+y^2=a^2 , then the point of contact is

Answer the following:Find the equations of the tangents to the circle x^2+y^2=4 which are parallel to the line 3x+2y-1=0

The equations to tangents to the circle x^2+y^2-6x+4y=12 which are parallel to the line 4x+3y+5=0 are