circle

Related Questions

• 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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• If the two circles $2{{x}^{2}}+2{{y}^{2}}-3x+6y+k=0$ and ${{x}^{2}}+{{y}^{2}}-4x+10y+16=0$ cut orthogonally, then the value of k is

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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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• The four distinct points (0, 0),(2, 0), (0, –2) and (k,–2)are con-cyclic, if k =

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• The common chord of the circle ${{x}^{2}}+{{y}^{2}}+4x+1=0$ and ${{x}^{2}}+{{y}^{2}}+6x+2y+3=0$ is

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