If the circumference of the circle `x^2+y^2+8x+8y-b=0` is bisected by the circle `x^2+y^2=4` and the line `2x+y=1` and having minimum possible radius is

The equation of the circle passing through the point of intersection of the circle x^2+y^2=4 and the line 2x+y=1 and having minimum possible radius is

If the circumference of the circle x^2 + y^2 + 8x + 8y - b = 0 is bisected by the circle x^2 + y^2 - 2x + 4y + a = 0 then a+b= (A) 50 (B) 56 (C) -56 (D) -34

Find the circumference are area of the circle x^(2) + y^(2) -2x + 5y + 7=0

The circle x^2 + y^2 - 8x + 4y + 4 = 0 toches

Find the image of the circle x^2+y^2-2x+4y-4=0 in the line 2x-3y+5=0

If the line a x+b y=2 is a normal to the circle x^2+y^2-4x-4y=0 and a tangent to the circle x^2+y^2=1 , then a and b are

The line x+3y=0 is a diameter of the circle x^2+y^2-6x+2y=0

Equation of the circle which cuts the circle x^2+y^2+2x+ 4y -4=0 and the lines xy -2x -y+2=0 orthogonally, is

Find the number of common tangent to the circles x^2+y^2+2x+8y-23=0 and x^2+y^2-4x-10 y+9=0