Follow the steps below to solve the given differential equation using series methods. - - (2+x)y’+(1 − 2)y’ — 5y = 0, y(0)=3, y’(0) = 2 Assuming the solution can be represented by a power series y = Σ anx" n=0 a) Find the first and second derivatives of y. y' = Σ y'' = IM: IM n=2 b) Substituting y, y', y'' into the equation gives iM8 n=2 + Σ n=1 + n=0 0 c) After shifting the summation indices to start from the same values and have the same exponent of x, combine the summations into a single summation. ¡M8 Σ n=0 x" = 0 d) Given that if a power series is zero for all æ, all its coefficients must be zero, find a recursive formula for the solution. an+2 = an+1 + ап e) Using the initial values and the recursive formula, determine the first few terms of the series solution where: y = a + a1x + a2x² + αzx³ + α4x² + ... a2 a3 a4 ༈ རྒྱ ་ྕ ཁྱུ་ ུ་ απ a1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Follow the steps below to solve the given differential equation using series methods.
-
-
(2+x)y’+(1 − 2)y’ — 5y = 0, y(0)=3, y’(0) = 2
Assuming the solution can be represented by a power series
y = Σ
anx"
n=0
a) Find the first and second derivatives of y.
y' =
Σ
y''
=
IM: IM
n=2
b) Substituting y, y', y'' into the equation gives
iM8
n=2
+ Σ
n=1
+
n=0
0
c) After shifting the summation indices to start from the same values and have the same
exponent of x, combine the summations into a single summation.
¡M8
Σ
n=0
x" = 0
d) Given that if a power series is zero for all æ, all its coefficients must be zero, find a
recursive formula for the solution.
an+2 =
an+1 +
ап
e) Using the initial values and the recursive formula, determine the first few terms of the
series solution
where:
y = a + a1x + a2x² + αzx³ + α4x² + ...
a2
a3
a4
༈ རྒྱ ་ྕ ཁྱུ་  ུ་
απ
a1
Transcribed Image Text:Follow the steps below to solve the given differential equation using series methods. - - (2+x)y’+(1 − 2)y’ — 5y = 0, y(0)=3, y’(0) = 2 Assuming the solution can be represented by a power series y = Σ anx" n=0 a) Find the first and second derivatives of y. y' = Σ y'' = IM: IM n=2 b) Substituting y, y', y'' into the equation gives iM8 n=2 + Σ n=1 + n=0 0 c) After shifting the summation indices to start from the same values and have the same exponent of x, combine the summations into a single summation. ¡M8 Σ n=0 x" = 0 d) Given that if a power series is zero for all æ, all its coefficients must be zero, find a recursive formula for the solution. an+2 = an+1 + ап e) Using the initial values and the recursive formula, determine the first few terms of the series solution where: y = a + a1x + a2x² + αzx³ + α4x² + ... a2 a3 a4 ༈ རྒྱ ་ྕ ཁྱུ་ ུ་ απ a1
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