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The given equation of the ellipse is `(x^(2))/(81) + (y^(2))/(16) =1`. Find the length of the major and minor axes. Eccentricity and length of the latus rectum.

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Length of major and minor axes are 18 and 8 repectively. `e = (sqrt(65))/(9)` and length of the latus rectum is `(32)/(9)`
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