[x^(2)+y^(2)-22x+4y+100=0],[" 4.Find the transverse common tangents of the circ "],[x^(2)+y^(2)+4x-6y+4=0]

Find the number of common tangents to the circle x^2 +y^2=4 and x^2+y^2−6x−8y−24=0

The number of common tangents to the circles: x^2+y^2=4 , x^2+y^2 -4x +2y-4=0 is :

The number of common tangents of the circles x^(2)+y^(2)+4x+1=0 and x^(2)+y^(2)-2y-7=0 , is

The number of common tangents of the circles x^(2)+y^(2)+4x+1=0 and x^(2)+y^(2)-2y-7=0 , is

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.

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 lengths of the common tangents of the circles x^(2)+y^(2)+4x=0 and x^(2)+y^(2)-6x=0 is