circle

Related Questions

• 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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• The radical axis of two circles and the line joining their centres are

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• If d is the distance between the centres of two circles, ${{r}_{1}},{{r}_{2}}$ are their radii and $d={{r}_{1}}+{{r}_{2}}$ , then

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• The polar of the point (5, –1/2) w.r.t circle ${{(x-2)}^{2}}+{{y}^{2}}=4$ is

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• $y-x+3=0$ is the equation of normal at $\left( 3+\frac{3}{\sqrt{2}},\frac{3}{\sqrt{2}} \right)$ to which of the following circles

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