circle

Related Questions

• The angle between the tangents from $(\alpha ,\beta )$ to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ , is

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• Length of the tangent drawn from any point on the circle ${{x}^{2}}+{{y}^{2}}+2gx+2fy+{{c}_{1}}=0$ to the circle ${{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0$ is

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• The equation of the common chord of the circles ${{(x-a)}^{2}}+{{(y-b)}^{2}}={{c}^{2}}$ and ${{(x-b)}^{2}}+{{(y-a)}^{2}}={{c}^{2}}$ is

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• The centre and radius of the circle $2{{x}^{2}}+2{{y}^{2}}-x=0$ are

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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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