Show that the line `3x+4y+20=0` touches circle `x^2+y^2=16` and find point of contact

Show that the line 3x+4y +20=0 touches the circle x^(2) + y^(2) =16 and find the point of contact

Show that the line x-2y + 4a = 0 touches y^(2) = 4ax. Also find the point of contact

Show that the line 8y+x=17 touches the ellipse x^2+4y^2=17 . Find the point of contact.

Show that the line x-2y + 4a = 0 touches y^(2) = 4ax.Also find the point of contact

prove that the line 3x+4y+7=0 touches the circle x^2+y^2-4x-6y-12=0 also find the point of contact

Show that the line 3x-4y=1 touches the circle x^(2)+y^(2)-2x+4y+1=0 .

Show that the straight line 3x + 4y = 20 touches the circle x ^2 + y ^2 = 16.

The line 2x-3y=9 touches the conics y^(2)=-8x . find the point of contact.

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.

Show that the line 3x-4y=1 touches the circle x^(2)+y^(2)-2x+4y+1=0 . Find the coordinates of the point of contact.