Find the eccentricity, foci and centre of the conic 4x^2 + 9y^2= 36. Draw a rough sketch of it.
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Expert's answer
2020-10-26T16:42:39-0400
4x2+9y2=369x2+4y2=19(x−0)2+4(y−0)2=1The equation describes an ellipsewith the origin as its centre.a2=9b2=4c2=a2−b2=9−4=5c=±5∴The focus is(5,0),(−5,0).Eccentricity=ac=35
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