Find the equation of common tangent to circle `x^2 + y^2 = 5` and ellipse `x^2 + 9y^2 = 9`.

Find the equations of the common tangents to the circle x^2+y^2 = 8 and the parabola y^2 = 16x.

Find the equation of the common tangent to the circle x^(2)+y^(2)=8 and the parabola y^(2)=16x .

Find 'all equation to the four common tangents to the circles x^2 + y^2= 25 and (x-12)^2+y^2=9

Find the equations of the common tangents to the circle x^(2)+y^(2)=8 and the parabola y^(2)=16x

The equation of a common tangent to the circle x^(2)+y^(2)=16 and the ellipse (x^(2))/(49)+(y^(2))/(4)=1 is

Find the equations to the common tangents of the circles x^2+y^2-2x-6y+9=0 and x^2+y^2+6x-2y+1=0

Find the equations to the common tangents of the circles x^2+y^2-2x-6y+9=0 and x^2+y^2+6x-2y+1=0

How many tangents to the circle x^2 + y^2 = 3 are normal tothe ellipse x^2/9+y^2/4=1?

Find the equations to the common tangents of the circles x^(2)+y^(2)-2x-6y+9=0 and x^(2)+y^(2)+6x-2y+1=0