circle

Related Questions

• The equation of the circle in the first quadrant touching each coordinate axis at a distance of one unit from the origin is

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• If $\frac{x}{\alpha }+\frac{y}{\beta }=1$ touches the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ , then point $(1/\alpha ,\,1/\beta )$ lies on a/an

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• The equations of the tangents drawn from the origin to the circle ${{x}^{2}}+{{y}^{2}}-2rx-2hy+{{h}^{2}}=0$ are

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• If a circle passes through the point (1, 2) and cuts the circle ${{x}^{2}}+{{y}^{2}}=4$ orthogonally, then the equation of the locus of its centre is

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• The centres of the circles ${{x}^{2}}+{{y}^{2}}=1$ , ${{x}^{2}}+{{y}^{2}}+6x-2y=1$ and ${{x}^{2}}+{{y}^{2}}-12x+4y=1$ are

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