circle

Related Questions

• The radical centre of the circles ${{x}^{2}}+{{y}^{2}}+4x+6y=19,{{x}^{2}}+{{y}^{2}}=9$ and ${{x}^{2}}+{{y}^{2}}-2x-2y=5$ will be

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• The length of the chord intercepted by the circle ${{x}^{2}}+{{y}^{2}}={{r}^{2}}$ on the line $\frac{x}{a}+\frac{y}{b}=1$ is

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• The equation of the circle of radius 5 and touching the coordinate axes in third quadrant is

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• The equation of radical axis of the circles $2{{x}^{2}}+2{{y}^{2}}-7x=0$ and ${{x}^{2}}+{{y}^{2}}-4y-7=0$ is

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• The condition that the circle ${{(x-3)}^{2}}+{{(y-4)}^{2}}={{r}^{2}}$ lies entirely within the circle ${{x}^{2}}+{{y}^{2}}={{R}^{2}},$ is

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