circle

Related Questions

• A point inside the circle ${{x}^{2}}+{{y}^{2}}+3x-3y+2=0$ is

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• The common chord of the circle ${{x}^{2}}+{{y}^{2}}+4x+1=0$ and ${{x}^{2}}+{{y}^{2}}+6x+2y+3=0$ is

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• The equation of radical axis of the circles $2{{x}^{2}}+2{{y}^{2}}-7x=0$ and ${{x}^{2}}+{{y}^{2}}-4y-7=0$ is

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• ABC is a triangle in which angle C is a right angle. If the coordinates of A and B be (–3, 4) and (3, –4) respectively, then the equation of the circumcircle of triangle ABC is

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• For $a{{x}^{2}}+2hxy+3{{y}^{2}}+4x+8y-6=0$ to represent a circle, one must have

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