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Questions  >>  CBSE XI  >>  Math  >>  Conic Sections
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The equation of a circle with origin as centre and passing through the vertices of an equilateral triangle whose median is of length 3a is

[Hint : Centroid of the triangle coincides with the centre of the circle and the radius of the circle is 23 of the length of the median]

x2+y2=9a2x2+y2=16a2x2+y2=4a2x2+y2=a2

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