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Find the co-ordinates of the foci, the v...

Find the co-ordinates of the foci, the vertices, the lengths of major and minor axes and the eccentricity of the ellipse `16x^(2) + 49y^(2) = 784`.

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Foci : `(-sqrt(33), 0)` and `(sqrt(33), 0)`
vertices : `(-7, 0) and (7, 0)`
Length of major and minor axes are 14 and 8 repectively.
eccentricity : `(sqrt(33))/(7)`
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