Consider the differential equation

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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c)
Consider the differential equation
1
y" + y +y = 0.
Assuming that the solution can be written as a power series,
y = ao + a1x + a2x² + · · · + anx" + . ..=
anx"
n=0
show that a1 = 0 and that the other constants in this series must satisfy
1
an-2.
an
Hence derive the power series for y(x) up to and including powers of x6 assuming the
constant ao = 1.
Transcribed Image Text:c) Consider the differential equation 1 y" + y +y = 0. Assuming that the solution can be written as a power series, y = ao + a1x + a2x² + · · · + anx" + . ..= anx" n=0 show that a1 = 0 and that the other constants in this series must satisfy 1 an-2. an Hence derive the power series for y(x) up to and including powers of x6 assuming the constant ao = 1.
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