circle

Related Questions

• If a circle passes through the point (1, 2) and cuts the circle ${{x}^{2}}+{{y}^{2}}=4$ orthogonally, then the equation of the locus of its centre is

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• A circle is drawn to cut a chord of length 2a units along X-axis and to touch the Y-axis. The locus of the centre of the circle is

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• The intercept on the line $y=x$ by the circle ${{x}^{2}}+{{y}^{2}}-2x=0$ is AB, equation of the circle on AB as a diameter is

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• An infinite number of tangents can be drawn from (1, 2) to the circle ${{x}^{2}}+{{y}^{2}}-2x-4y+\lambda =0$ , then $\lambda =$

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• If the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ cuts off a chord of length 2b from the line $y=mx+c$ , then

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