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 +20=0 touches the circle x^(2) + y^(2) =16 and find the point of contact

If x=7 tonches the circle x^(2)+y^(2)-4 x-6 y-12=0 then the point of contact is

Show that the line x + 2y - 4 = 0 touches the ellipse 3x^(2) + 4y^(2) = 12 also find the point of contact.

Show that the line x + 2y - 4 = 0 touches the ellipse 3x^(2) + 4y^(2) = 12 also find the point of contact.

If the line x=7 touches the circle x^2+y^2-4x-6y-12=0 , then the co-ordinates of the point of contact are

Show that x = 7 and y = 8 touch the circle x^(2) + y^(2) - 4x - 6y -1 2 = 0 and find the points 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.

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.