[" 24.The equation of the circle with centre "(4,1)],[" and having "3x+4y-1=0" as tangent is "],[qquad [" (EAMCET-1998) "],[" 1) "x^(2)+y^(2)-8x=0],[" 3) "x^(2)+y^(2)-8x+2y+8=0" 2) "x^(2)+y^(2)-8x-2y+8=0]]

The circle with centre (4,-1) and touching x -axis is x^(2)+y^(2)-8x+2y+16=0

The equation of the common tangent to y^(2)=8x and x^(2)+y^(2)-12x+4=0 is

Write the equation of the unit circle concentric with x^2+y^2-8x+4y-8=0.

Equation of unit circle concentric with circle x^(2)+y^(2)+8x+4y-8=0 is

Equation of the circle concentric with x^(2)+y^(2)-8x-16y+4=0 and touches y- axis is

Let P be the point on the parabola, y^2=8x which is at a minimum distance from the centre C of the circle, x^2+(y+6)^2=1. Then the equation of the circle, passing through C and having its centre at P is : (1) x^2+y^2-4x+8y+12=0 (2) x^2+y^2-x+4y-12=0 (3) x^2+y^2-x/4+2y-24=0 (4) x^2+y^2-4x+9y+18=0

Let P be the point on the parabola, y^2=8x which is at a minimum distance from the centre C of the circle, x^2+(y+6)^2=1. Then the equation of the circle, passing through C and having its centre at P is : (1) x^2+y^2-4x+8y+12=0 (2) x^2+y^2-x+4y-12=0 (3) x^2+y^2-x/4+2y-24=0 (4) x^2+y^2-4x+9y+18=0

Let P be the point on the parabola, y^2=8x which is at a minimum distance from the centre C of the circle, x^2+(y+6)^2=1. Then the equation of the circle, passing through C and having its centre at P is : (1) x^2+y^2-4x+8y+12=0 (2) x^2+y^2-x+4y-12=0 (3) x^2+y^2-x/4+2y-24=0 (4) x^2+y^2-4x+9y+18=0

Write the equation of the unit circle concentric with x^(2)+y^(2)-8x+4y-8=0