circle

Related Questions

• If the circles ${{x}^{2}}+{{y}^{2}}=4,{{x}^{2}}+{{y}^{2}}-10x+\lambda =0$ touch externally, then $\lambda $ is equal to

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• If the middle point of a chord of the circle ${{x}^{2}}+{{y}^{2}}+x-y-1=0$ be (1, 1), then the length of the chord is

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• The equation of a circle that intersects the circle ${{x}^{2}}+{{y}^{2}}+14x+6y+2=0$ orthogonally and whose centre is (0, 2) is

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• The radical axis of the pair of circle ${{x}^{2}}+{{y}^{2}}=144$ and ${{x}^{2}}+{{y}^{2}}-15x+12y=0$ is

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• Any circle through the point of intersection of the lines $x+\sqrt{3}y=1$ and $\sqrt{3}x-y=2$ if intersects these lines at points P and Q, then the angle subtended by the arc PQ at its centre is

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