Consider the circle `x^2+y^2-10x-6y+30=0`. Let O be the centre of the circle and tangent at A(7,3) and B(5, 1) meet at C. Let S=0 represents family of circles passing through A and B, then

Consider the circle x^2 + y^2 - 10x - 6y + 30 = 0 Let O be the centre of the circle and tangent at A(7, 3) and passing through A and B,then

Let A be the centre of the circle x^(2)+y^(2)-2x-4y-20=0 . Let B(1,7) and (4,-2) be two points on the circle such that tangents at B and D meet at C. The area of the quadrilateral ABCD is

Consider the circle: x^2+y^2=r^2 with centre O. A and B are collinear with O such that OA. OB=r^2. The number of circles passing through A and B, which are orthogonal to the circle C is

Let A(3, 7) and B(6, 5) are two points. C:x^(2)+y^(2)-4x-6y-3=0 is a circle. Q. The chords in which the circle C cuts the members of the family S of circle passing through A and B are concurrent at:

Let A(3, 7) and B(6, 5) are two points. C:x^(2)+y^(2)-4x-6y-3=0 is a circle. Q. The chords in which the circle C cuts the members of the family S of circle passing through A and B are concurrent at:

The centre of the circle passing through (0, 0) and (1, 0) and touching the circle x^(2)+y^(2)=9 , is

Consider the circle x^2 + y^2 + 8x + 10y - 8 = 0 (i) Find its radius of the circle x^2 + y^2 + 8x + 10y - 8 = 0 (ii) Find the equation of the circle with centre at C and passing through (1,2).

Tangents AB and AC are drawn to the circle x^(2)+y^(2)-2x+4y+1=0 from A(0.1) then equation of circle passing through A,B and C is

Tangents AB and AC are drawn to the circle x^(2)+y^(2)-2x+4y+1=0 from A(0,1) then equation of circle passing through A,B and C is