circle

Related Questions

• The straight line $x-y-3=0$ touches the circle ${{x}^{2}}+{{y}^{2}}-4x+6y+11=0$ at the point whose co-ordinates are

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• The equation of the normal to the circle ${{x}^{2}}+{{y}^{2}}-2x=0$ parallel to the line $x+2y=3$ is

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• 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

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• The radius of the circle passing through the point (6, 2) and two of whose diameters are $x+y=6$ and $x+2y=4$ is

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• The equation ${{x}^{2}}+{{y}^{2}}=0$ denotes

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