circle

Related Questions

• The number of tangents which can be drawn from the point (–1,2) to the circle ${{x}^{2}}+{{y}^{2}}+2x-4y+4=0$ is

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• The equation of the circle passing through the point $(-1,\ -3)$ and touching the line $4x+3y-12=0$ at the point (3, 0), is

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• If the radius of the circle ${{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0$ be r, then it will touch both the axes, if

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• The lines $2x-3y=5$ and $3x-4y=7$ are the diameters of a circle of area 154 square units. The equation of the circle is

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• The locus of mid point of the chords of the circle ${{x}^{2}}+{{y}^{2}}-2x-2y-2=0$ which makes an angle of $120{}^\circ $ at the centre is

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