Find a (real) general solution. State which rule you are using. Show each step of your work.

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(3D²+ 27I)y = 3 cos x + cos 3x

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Advanced Engineering Mathematics

ISBN: 978-0470458365

10th edition

Authors: Erwin Kreyszig

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Question Posted: Nov 10, 2018 06:03 AM

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Find a (real) general solution. State which rule you are using. Show each step of your work.

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y A cos 3x B sin 3x 18 cos x 118 x sin 3x An import...View the full answer

Advanced Engineering Mathematics

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