Find the vertices and foci of the ellipse and sketch its graph. (a) x2 / 2 +
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(a) x2 / 2 + y2 / 4 = 1
(b) x2 + 9y2 = 9
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a x 2 2 y 2 4 1 a 4 2 b 2 c a 2 b 2 4 2 2 The ellipse is ...View the full answer
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