del ateb ea ezt = e^(cob te Sinb) %3D e atcb e Note %3D e
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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Question
I don't understand why derivative of e^iax=(e^iax)/ia. Can you please explain it to me? Thank you
Transcribed Image Text:cos0isino
ea(coob tesinb
ateb
e ezb = )
%3D
%3D
a+ib
e
e
Note
こ
e
XP
flxl=
firx) +e
falx)
Xe R.
Complex Valed
b,
f(x) dx
%3D
complex Nuodber
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