circle

Related Questions

• If circles ${{x}^{2}}+{{y}^{2}}+2ax+c=0$ and ${{x}^{2}}+{{y}^{2}}+2by+c=0$ touch each other, then

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• The number of circles touching the line $y-x=0$ and the y-axis is

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• The number of circle having radius 5 and passing through the points (– 2, 0) and (4, 0) is

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• The equation of the diameter of the circle ${{x}^{2}}+{{y}^{2}}+2x-4y-11=0$ which bisects the chords intercepted on the line $2x-y+3=0$ is

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• The value of c, for which the line $y=2x+c$ is a tangent to the circle ${{x}^{2}}+{{y}^{2}}=16$ , is

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