circle

Related Questions

• For what value of k, the points (0, 0), (1, 3), (2, 4) and (k, 3) are con-cyclic

  ---

• 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 $a{{x}^{2}}+b{{y}^{2}}+2hxy+2gx+2fy+c=0$ will represent a circle, if

  ---

• If the circle ${{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0$ touches x-axis, then

  ---

• The equation of the circle concentric with the circle ${{x}^{2}}+{{y}^{2}}+8x+10y-7=0$ and passing through the centre of the circle ${{x}^{2}}+{{y}^{2}}-4x-6y=0$ is

  ---