circle

Related Questions

• The equation of the circle passing through the point (2, 1) and touching y-axis at the origin is

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• The angle between the two tangents from the origin to the circle ${{(x-7)}^{2}}+{{(y+1)}^{2}}=25$ is

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• The equation of the circle having its centre on the line $x+2y-3=0$ and passing through the points of intersection of the circles ${{x}^{2}}+{{y}^{2}}-2x-4y+1=0$ and ${{x}^{2}}+{{y}^{2}}-4x-2y+4=0$ , is

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• Two given circles ${{x}^{2}}+{{y}^{2}}+ax+by+c=0$ and ${{x}^{2}}+{{y}^{2}}+dx+ey+f=0$ will intersect each other orthogonally, only when

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• If a circle passes through the point (0, 0), (a, 0), (0, b), then its centre is

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