circle

Related Questions

• If ${{g}^{2}}+{{f}^{2}}=c$ , then the equation ${{x}^{2}}+{{y}^{2}}+2gx+2fy+c=0$ will represent

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• If the ratio of the lengths of tangents drawn from the point $(f,g)$ to the given circle ${{x}^{2}}+{{y}^{2}}=6$ and ${{x}^{2}}+{{y}^{2}}+3x+3y=0$ be 2 : 1, then

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• The locus of the centre of a circle which always passes through the fixed points (a, 0) and $(-a,\ 0)$ , is

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• The equation of the normal to the circle ${{x}^{2}}+{{y}^{2}}-2x=0$ parallel to the line $x+2y=3$ is

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• The two circles ${{x}^{2}}+{{y}^{2}}-2x+6y+6=0$ and ${{x}^{2}}+{{y}^{2}}-5x+6y+15=0$ touch each other. The equation of their common tangent is

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