circle

Related Questions

• The points of contact of the circle ${{x}^{2}}+{{y}^{2}}+2x+2y+1=0$ and the co-ordinate axes are

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• The equation of the circle which passes through the points (2, 3) and (4, 5) and the centre lies on the straight line $y-4x+3=0$ , is

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• The polars drawn from (–1, 2) to the circles ${{S}_{1}}\equiv {{x}^{2}}+{{y}^{2}}+6y+7=0$ and ${{S}_{2}}\equiv {{x}^{2}}+{{y}^{2}}+6x+1=0$ , are

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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 equation of the circle of radius 5 and touching the coordinate axes in third quadrant is

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