circle

Related Questions

• Radius of the circle ${{x}^{2}}+{{y}^{2}}+2x\cos \theta $ $+2y\sin \theta -8=0$ , is

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• If one end of the diameter is (1, 1) and other end lies on the line $x+y=3$ , then locus of centre of circle is

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• The number of common tangents to the circles ${{x}^{2}}+{{y}^{2}}-4x-6y-12=0$ and${{x}^{2}}+{{y}^{2}}+6x+18y+26=0$ is

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• 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

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• The equation $2{{x}^{2}}+2{{y}^{2}}+4x+8y+15=0$ represents

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