circle

Related Questions

• If the length of tangent drawn from the point (5, 3) to the circle ${{x}^{2}}+{{y}^{2}}+2x+ky+17=0$ be 7, then $k =$

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• From three non- collinear points we can draw

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• If $a>2b>0$ then the positive value of m for which $y=mx-b\sqrt{1+{{m}^{2}}}$ is a common tangent to ${{x}^{2}}+{{y}^{2}}={{b}^{2}}$ and ${{(x-a)}^{2}}+{{y}^{2}}={{b}^{2}}$ , is

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• Radius of circle $(x-5)(x-1)+(y-7)(y-4)=0$ is

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• The circle ${{x}^{2}}+{{y}^{2}}-3x-4y+2=0$ cuts x-axis at

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