circle

Related Questions

• The equation of the circle which passes through the points $(3,\ -2)$ and $(-2,\ 0)$ and centre lies on the line $2x-y=3$ , is

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• Let $P({{x}_{1}},{{y}_{1}})$ and $Q({{x}_{2}},{{y}_{2}})$ are two points such that their abscissa ${{x}_{1}}$ and ${{x}_{2}}$ are the roots of the equation ${{x}^{2}}+2x-3=0$ while the ordinates ${{y}_{1}}$ and ${{y}_{2}}$ are the roots of the equation ${{y}^{2}}+4y-12=0$ . The centre of the circle with PQ as diameter is

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• The equation of circle whose diameter is the line joining the points (–4, 3) and (12, –1) is

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• For $a{{x}^{2}}+2hxy+3{{y}^{2}}+4x+8y-6=0$ to represent a circle, one must have

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• A circle has radius 3 units and its centre lies on the line $y=x-1$ . Then the equation of this circle if it passes through point (7, 3), is

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