circle

Related Questions

• The equation of the circle whose centre is (1, –3) and which touches the line $2x-y-4=0$ is

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• The line $y=mx+c$ will be a normal to the circle with radius r and centre at (a, b), if

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• Give the number of common tangents to circle ${{x}^{2}}+{{y}^{2}}+2x+8y-23=0$ and ${{x}^{2}}+{{y}^{2}}-4x-10y+9=0$

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• The point at which the normal to the circle ${{x}^{2}}+{{y}^{2}}+4x+6y-39=0$ at the point (2, 3) will meet the circle again, 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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