Find the transverse common tangents of
the circles `x^(2) + y^(2) -4x -10y + 28 = 0 ` and `x^(2) + y^(2) `
` + 4x - 6y + 4 =0. `

The number of common tangent to the circles x^(2) + y^(2) + 4x - 6y - 12 = 0 and x^(2) + y^(2) - 8x + 10y + 5 = 0 is

Find all common tangents of the pairs of circles x^(2) +y^(2) +4x + 2y -4 =0 and x^(2) +y^(2) -4x -2y +4=0

Find the equations of the transverse common tangents of x^(2)+y^(2)-4x-10y+28=0 and x^(2)+y^(2)+4x-6y+4=0

The equation (s) of common tangents (s) to the two circles x^(2) + y^(2) + 4x - 2y + 4 = 0 and x^(2) + y^(2) + 8x - 6y + 24 = 0 is/are

The equation (s) of common tangents (s) to the two circles x^(2) + y^(2) + 4x - 2y + 4 = 0 and x^(2) + y^(2) + 8x - 6y + 24 = 0 is/are