[" The least distance of the line "8x-4y+73=0],[" from the circle "],[16x^(2)+16y^(2)+48x-8y-43=0" is "]

The shortest distance from the line 3x+4y=25 to the circle x^(2)+y^(2)=6x-8y is equal to :

The radius of the circle 16 x^(2)+16 y^(2)-8 x+32 y-256=0 is

The shortest distance from the line 3x+4y=25 to the circle x^2+y^2=6x-8y is equal to :

The line 4y-3x+lambda=0 touches the circle x^(2)+y^(2)-4x-8y-5=0 then lambda=

The least distance between two points P and Q ,where P lies on the circle x^(2)+y^(2)-8x-10y+37=0 and Q lies on the circle , x^(2)+y^(2)+16x+55=0 is equal to

The least distance between two points P and Q on the circle x^(2) + y^(2) -8x + 10y + 37 =0 and x^(2) + y^(2) + 16x + 55 = 0 is _______ .

The least distance between two points P and Q on the circle x^(2) + y^(2) -8x + 10y + 37 =0 and x^(2) + y^(2) + 16x + 55 = 0 is _______ .

The distance of the point (1,-2) from the common chord of the circles x^(2) + y^(2) - 5x +4y - 2= 0 " and " x^(2) +y^(2) - 2x + 8y + 3 = 0

The distance of the point (1,-2) from the common chord of the circles x^(2) + y^(2) - 5x +4y - 2= 0 " and " x^(2) +y^(2) - 2x + 8y + 3 = 0