circle

Related Questions

• A line through (0,0) cuts the circle ${{x}^{2}}+{{y}^{2}}-2ax=0$ at A and B, then locus of the centre of the circle drawn on AB as a diameter is

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• If $\frac{x}{\alpha }+\frac{y}{\beta }=1$ touches the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ , then point $(1/\alpha ,\,1/\beta )$ lies on a/an

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• The equation of a circle passing through points of intersection of the circles ${{x}^{2}}+{{y}^{2}}+13x-3y=0$ and $2{{x}^{2}}+2{{y}^{2}}+4x-7y-25=0$ and point (1, 1) is

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• For what value of k, the points (0, 0), (1, 3), (2, 4) and (k, 3) are con-cyclic

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• The line $3x-2y=k$ meets the circle ${{x}^{2}}+{{y}^{2}}=4{{r}^{2}}$ at only one point, if ${{k}^{2}}$ =

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