circle

Related Questions

• The locus of the middle points of those chords of the circle ${{x}^{2}}+{{y}^{2}}=4$ which subtend a right angle at the origin is

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• The number of common tangents to the circles ${{x}^{2}}+{{y}^{2}}-x=0,\,{{x}^{2}}+{{y}^{2}}+x=0$ is

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• The equation of normal to the circle $2{{x}^{2}}+2{{y}^{2}}-2x-5y+3=0$ at (1, 1) is

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• The equation of a circle with centre $(-4,\ 3)$ and touching the circle ${{x}^{2}}+{{y}^{2}}=1$ , is

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• The point $(0.1, 3.1)$ with respect to the circle ${{x}^{2}}+{{y}^{2}}-2x-4y+3=0$ , is

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