Answered: 57-60 Sketch the level surface f(x, y,…

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57-60 Sketch the level surface f(x, y, z) = k. 57. f(x, y, z) = 4x² + y² +4z²; k = 16

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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57-60 Sketch the level surface f(x, y, z) = k.
57. f(x, y, z) = 4x² + y² + 4z²; k = 16
2
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58. f(x, y, z) = x² + y² = z²; k = 0
2
59. f(x, y, z) = z — x² − y² + 4; k = 7
60. f(x, y, z) = 4x - 2y +z; k = 1

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