circle

Related Questions

• The pole of the straight line $x+2y=1$ with respect to the circle ${{x}^{2}}+{{y}^{2}}=5$ is

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• At which point on y-axis the line $x=0$ is a tangent to circle ${{x}^{2}}+{{y}^{2}}-2x-6y+9=0$

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• The equation of the tangent at the point $\left( \frac{a{{b}^{2}}}{{{a}^{2}}+{{b}^{2}}},\frac{{{a}^{2}}b}{{{a}^{2}}+{{b}^{2}}} \right)$ of the circle ${{x}^{2}}+{{y}^{2}}=\frac{{{a}^{2}}{{b}^{2}}}{{{a}^{2}}+{{b}^{2}}}$ is

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• The equations of the tangents to the circle ${{x}^{2}}+{{y}^{2}}=36$ which are inclined at an angle of ${{45}^{o}}$ to the x-axis are

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• Circles are drawn through the point (2, 0) to cut intercept of length 5 units on the x-axis. If their centres lie in the first quadrant, then their equation is

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