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A = (a) Find cos(At) and sin(At) -2 3 (b) Find the general solution of y" + a²y = 0 where a ‡ 0

A = (a) Find cos(At) and sin(At) -2 3 (b) Find the general solution of y" + a²y = 0 where a ‡ 0

Advanced Engineering Mathematics
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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A = (a) Find cos(At) and sin(At) [21] (b) Find the general solution of y" + a²y = 0 where a 0 (c) Use (a) and (b) to solve x" + A²x = 0
Transcribed Image Text:A = (a) Find cos(At) and sin(At) [21] (b) Find the general solution of y" + a²y = 0 where a 0 (c) Use (a) and (b) to solve x" + A²x = 0
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