What kind of surfaces are the level surfaces f(x, y, z) = const? f = 9(x 2

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What kind of surfaces are the level surfaces f(x, y, z) = const?

f = 9(x² + y²) + z²

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Advanced Engineering Mathematics

ISBN: 978-0470458365

10th edition

Authors: Erwin Kreyszig

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Question Posted: Dec 04, 2018 07:24 AM

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What kind of surfaces are the level surfaces f(x, y, z) = const? f = 9(x 2

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Advanced Engineering Mathematics

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