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A: - -2 3 -6 7 Find cos(At) and sin(At) Note: It's the same as finding eªt b instead of writing e2t for example you write cos(2t). Find the general solution of y" + a²y = 0 where a 0

A: - -2 3 -6 7 Find cos(At) and sin(At) Note: It's the same as finding eªt b instead of writing e2t for example you write cos(2t). 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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after finding cos(At), sin(At), and the general solution, find x''+A2x=0

A = -2 3 Find cos(At) and sin(At) Note: It's the same as finding et but instead of writing e2t for example you write cos(2t). Find the general solution of y" + a²y = 0 where a 0
Transcribed Image Text:A = -2 3 Find cos(At) and sin(At) Note: It's the same as finding et but instead of writing e2t for example you write cos(2t). Find the general solution of y" + a²y = 0 where a 0
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