circle

Related Questions

• If the lengths of the chords intercepted by the circle ${{x}^{2}}+{{y}^{2}}+2gx+2fy=0$ from the co-ordinate axes be 10 and 24 respectively, then the radius of the circle is

  ---

• A line meets the coordinate axes in A and B. A circle is circumscribed about the triangle OAB. If m and n are the distance of the tangents to the circle at the points A and B respectively from the origin, the diameter of the circle is

  ---

• The equation of the tangents to the circle ${{x}^{2}}+{{y}^{2}}+4x-4y+4=0$ which make equal intercepts on the positive coordinate axes is given by

  ---

• The point (2, 3) is a limiting point of a coaxial system of circles of which ${{x}^{2}}+{{y}^{2}}=9$ is a member. The co-ordinates of the other limiting point is given by

  ---

• A line through (0,0) cuts the circle ${{x}^{2}}+{{y}^{2}}-2ax=0$ at A and B, then locus of the centre of the circle drawn on AB as a diameter is

  ---