circle

Related Questions

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

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• Any circle through the point of intersection of the lines $x+\sqrt{3}y=1$ and $\sqrt{3}x-y=2$ if intersects these lines at points P and Q, then the angle subtended by the arc PQ at its centre is

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• The equations of the tangents to the circle ${{x}^{2}}+{{y}^{2}}-6x+4y=12$ which are parallel to the straight line $4x+3y+5=0$ , are

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