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Sketch the graph of 4x^2 + 9y^2 = 144. Is this an ellipse?
 Similar Discussions: Sketch the graph of 4x^2 + 9y^2 = 144. Is this an ellipse?

Solve y''+9y=delta(tpi) (Replies: 27)

4y''12y'+9y = 9(x^2x) (Replies: 4)

Y''  9y = 4t  δ_2(t); y() = 2, y'(0) = 1 (Replies: 6)
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