circle

Related Questions

• A circle which passes through origin and cuts intercepts on axes a and b, the equation of circle is

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• The line $lx+my+n=0$ will be a tangent to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ iff

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• If the centre of a circle which passing through the points of intersection of the circles ${{x}^{2}}+{{y}^{2}}-6x+2y+4=0$ and ${{x}^{2}}+{{y}^{2}}+2x-4y-6=0$ is on the line $y=x$ , then the equation of the circle is

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• Which of the following lines is a tangent to the circle ${{x}^{2}}+{{y}^{2}}=25$ for all values of m

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• If two circles ${{(x-1)}^{2}}+{{(y-3)}^{2}}={{r}^{2}}$ and ${{x}^{2}}+{{y}^{2}}-8x+2y+8=0$ intersect in two distinct points, then

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