circle

Related Questions

• The line $ax+by+c=0$ is a normal to the circle ${{x}^{2}}+{{y}^{2}}={{r}^{2}}$ . The portion of the line $ax+by+c=0$ intercepted by this circle is of length

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• The locus of a point which moves so that the ratio of the length of the tangents to the circles ${{x}^{2}}+{{y}^{2}}+4x+3=0$ and ${{x}^{2}}+{{y}^{2}}-6x+5=0$ is $2:3$ is

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• The equation of the circle through the point of intersection of the circles ${{x}^{2}}+{{y}^{2}}-8x-2y+7=0$ , ${{x}^{2}}+{{y}^{2}}-4x+10y+8=0$ and (3, –3) is

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• If ${{c}^{2}}>{{a}^{2}}(1+{{m}^{2}}),$ then the line $y=mx+c$ will intersect the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$

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• The equation of the circle in the first quadrant which touches each axis at a distance 5 from the origin is

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