circle

Related Questions

• The equation of a circle that intersects the circle ${{x}^{2}}+{{y}^{2}}+14x+6y+2=0$ orthogonally and whose centre is (0, 2) is

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• Centre of the circle ${{(x-3)}^{2}}+{{(y-4)}^{2}}=5$ is

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• The polars drawn from (–1, 2) to the circles ${{S}_{1}}\equiv {{x}^{2}}+{{y}^{2}}+6y+7=0$ and ${{S}_{2}}\equiv {{x}^{2}}+{{y}^{2}}+6x+1=0$ , are

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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 locus of the centre of a circle which passes through the point (a, 0) and touches the line $x+1=0$ , is

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