circle

Related Questions

• If the coordinates of one end of the diameter of the circle ${{x}^{2}}+{{y}^{2}}-8x-4y+c=0$ are (–3, 2), then the coordinates of other end are

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• Line $y=x+a\sqrt{2}$ is a tangent to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ at

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• The condition that the line $x\cos \alpha +y\sin \alpha =p$ may touch the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ is

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• Circles ${{(x+a)}^{2}}+{{(y+b)}^{2}}={{a}^{2}}$ and ${{(x+\alpha )}^{2}}$ $+{{(y+\beta )}^{2}}=$ ${{\beta }^{2}}$ cut orthogonally, if

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• The equation of the circle in the first quadrant which touches each axis at a distance 5 from the origin is

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