The circles `x^2+y^2-2x-4y+1=0` and `x^2+y^2+4x+4y-1=0` touch internally touch externally have `3x+4y-1=0` as the common tangent at the point of contact have `3x+4y+1=0` as the common tangent at the point of contact

The circles x^2+y^2-2x-4y+1=0 and x^2+y^2+4x+4y-1=0 (a)touch internally (b)touch externally (c)have 3x+4y-1=0 as the common tangent at the point of contact have 3x+4y+1=0 (d)as the common tangent at the point of contact

The circles x^2+y^2-2x-4y+1=0 and x^2+y^2+4x+4y-1=0 (a)touch internally (b)touch externally (c)have 3x+4y-1=0 as the common tangent at the point of contact (d)have 3x+4y+1=0 as the common tangent at the point of contact

The circles x^2+y^2-2x-4y+1=0 and x^2+y^2+4x+4y-1=0 ............a)touch internally b)touch externally c)have 3x+4y-1=0 as the common tangent at the point of contact d)have 3x+4y+1=0 as the common tangent at the point of contact

Show that the circles x^(2) +y^(2) - 2x - 4y - 20 = 0 and x^(2) + y^(2) + 6x +2y- 90=0 touch each other . Find the coordinates of the point of contact and the equation of the common tangent .

Prove that the circles x^(2) + y^(2) - 2x - 4y - 12 = 0 and 3x^(2) + 3y^(2) - 2x + 4y - 140 = 0 touch each other. Find the coordinates of the point of contact.

Show that the circles x^(2)+y^(2)-10x+4y-20=0 and x^(2)+y^(2)+14x-6y+22=0 touch each other.Find the coordinates of the point of contact and the equation of the common tangent at the point of contact.

Show that the circles x^2+y^2-10 x+4y-20=0 and x^2+y^2+14 x-6y+22=0 touch each other. Find the coordinates of the point of contact and the equation of the common tangent at the point of contact.

Show that the circles x^2+y^2-10 x+4y-20=0 and x^2+y^2+14 x-6y+22=0 touch each other. Find the coordinates of the point of contact and the equation of the common tangent at the point of contact.

Show that the circles x^2+y^2-10 x+4y-20=0 and x^2+y^2+14 x-6y+22=0 touch each other. Find the coordinates of the point of contact and the equation of the common tangent at the point of contact.