circle

Related Questions

• The point of contact of the tangent to the circle ${{x}^{2}}+{{y}^{2}}=5$ at the point (1, –2) which touches the circle ${{x}^{2}}+{{y}^{2}}-8x+6y+20=0$ , is

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• The equation of the circle through the points of intersection of ${{x}^{2}}+{{y}^{2}}-1=0$ , ${{x}^{2}}+{{y}^{2}}-2x-4y+1=0$ and touching the line $x+2y=0$ , is

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• Equation of the circle which touches the lines $x=0,\ y=0$ and $3x+4y=4$ is

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• The equations of the tangents to the circle ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ parallel to the line $\sqrt{3}x+y+3=0$ are

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• The equation of a circle that intersects the circle ${{x}^{2}}+{{y}^{2}}+14x+6y+2=0$ orthogonally and whose centre is (0, 2) is

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