Follow the steps to solve the below differential equation using series methods. y'' — 5xy' – 3y = 0, y(0) = 1, y'(0) = 2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Follow the steps to solve the below differential equation using series methods.
Assuming the solution can be represented by a power series
y'
y"
a) Find the first and second derivatives of y.
∞
Σ
n=2
∞
n=0
n=1
an +2 =
where:
M8
b) Substituting y, y', y'' into the equation gives
ao =
a3
∞
a1 =
a2
a4
y'' — 5xy' – 3y = 0, y(0) = 1, y'(0) = 2
n=2
||
||
||
+
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.
y =
∞
∞
n=1
n=0
d) Given that if a power series is zero for all x, all its coefficients must be zero, find a
recursive formula for the solution.
anxn
e) Using the initial values and the recursive formula, determine the first few terms of the
series solution
+
8
n=0
x = 0
= 0
y = ao + a₁x + ª²x² + α3x³ + α²x² +
Transcribed Image Text:Follow the steps to solve the below differential equation using series methods. Assuming the solution can be represented by a power series y' y" a) Find the first and second derivatives of y. ∞ Σ n=2 ∞ n=0 n=1 an +2 = where: M8 b) Substituting y, y', y'' into the equation gives ao = a3 ∞ a1 = a2 a4 y'' — 5xy' – 3y = 0, y(0) = 1, y'(0) = 2 n=2 || || || + 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. y = ∞ ∞ n=1 n=0 d) Given that if a power series is zero for all x, all its coefficients must be zero, find a recursive formula for the solution. anxn e) Using the initial values and the recursive formula, determine the first few terms of the series solution + 8 n=0 x = 0 = 0 y = ao + a₁x + ª²x² + α3x³ + α²x² +
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