circle

Related Questions

• The locus of the centre of a circle which passes through the point (a, 0) and touches the line $x+1=0$ , is

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• Locus of the points from which perpendicular tangent can be drawn to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ , is

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• The gradient of the normal at the point (–2, –3) on the circle ${{x}^{2}}+{{y}^{2}}+2x+4y+3=0$ is

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• The equation of a circle which touches both axes and the line $3x-4y+8=0$ and whose centre lies in the third quadrant is

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• 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

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