15. Prove: If a, b, c, a, and M are constants and M = 0 then ax²y" + bxy' + cy has a particular solution yp = Axa (A = = Mxa constant) if and only if aa (a − 1) + ba + c ‡ 0.
15. Prove: If a, b, c, a, and M are constants and M = 0 then ax²y" + bxy' + cy has a particular solution yp = Axa (A = = Mxa constant) if and only if aa (a − 1) + ba + c ‡ 0.
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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Transcribed Image Text:15.
Prove: If a, b, c, a, and M are constants and M # 0 then
ax²y" + bxy' + cy
has a particular solution yp
=
Axa (A
=
Mxa
constant) if and only if aa (a − 1) + ba + c ‡ 0.
=

Transcribed Image Text:If a, b, c, and a are constants, then
a(eªx)" + b(eªx)' + ceax
=
(aa² + ba + c)eax.
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