circle

Related Questions

• 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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• Square of the length of the tangent drawn from the point $(\alpha ,\beta )$ to the circle $a{{x}^{2}}+a{{y}^{2}}={{r}^{2}}$ is

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• A circle with radius 12 lies in the first quadrant and touches both the axes, another circle has its centre at (8,9) and radius 7. Which of the following statements is true

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• The pole of the straight line $9x+y-28=0$ with respect to circle $2{{x}^{2}}+2{{y}^{2}}-3x+5y-7=0$ , is

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• If the circles ${{x}^{2}}+{{y}^{2}}-2ax+c=0$ and ${{x}^{2}}+{{y}^{2}}+2by+2\lambda =0$ intersect orthogonally, then the value of $\lambda $ is

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