circle

Related Questions

• From the origin chords are drawn to the circle ${{(x-1)}^{2}}+{{y}^{2}}=1$ . The equation of the locus of the middle points of these chords is

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• If line $ax+by=0$ touches ${{x}^{2}}+{{y}^{2}}+2x+4y=0$ and is a normal to the circle ${{x}^{2}}+{{y}^{2}}-4x+2y-3=0$ , then value of (a,b) will be

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• The values of constant term in the equation of circle passing through $(1, 2)$ and $(3, 4)$ and touching the line $3x+y-3=0$ , is

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• The number of tangents that can be drawn from (0, 0) to the circle ${{x}^{2}}+{{y}^{2}}+2x+6y-15=0$ is

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

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