circle

Related Questions

• For the given circles ${{x}^{2}}+{{y}^{2}}-6x-2y+1=0$ and ${{x}^{2}}+{{y}^{2}}+2x-8y+13=0$ , which of the following is true

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• The radical centre of three circles described on the three sides of a triangle as diameter is

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• If the circles ${{x}^{2}}+{{y}^{2}}+2ax+cy+a=0$ and ${{x}^{2}}+{{y}^{2}}-3ax+dy-1=0$ intersect in two distinct points $P$ and $Q$ then the line $5x+by-a=0$ passes through $P$ and $Q$ for

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• The locus of the centre of a circle which touches externally the circle ${{x}^{2}}+{{y}^{2}}-6x-6y+14=0$ and also touches the y-axis, is given by the equation

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• The equation of the circle with centre on the x-axis, radius 4 and passing through the origin, is

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