Follow the steps below to solve the given differential equation using series methods. Assuming the solution can be represented by a power series ( − 3 + x)y’’ + (1 − x)y’ – 4y = 0, y(0) = 1, y'(0) = 3 y" a) Find the first and second derivatives of y. y' = Σ IM8 M8 - || n=1 Σ y = n=2 n=0 anxen b) Substituting y, y', y'' into the equation gives

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.1: Solutions Of Elementary And Separable Differential Equations
Problem 59E: According to the solution in Exercise 58 of the differential equation for Newtons law of cooling,...
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Follow the steps below to solve the given differential equation using series methods.
Assuming the solution can be represented by a power series
y' =
y' = Σ
a) Find the first and second derivatives of y.
∞
n=2
n=0
IM8 IM8
( − 3 + x)y’’ + (1 − x)y’ – 4y = 0, y(0) = 1, y'(0) = 3
b) Substituting y, y', y'' into the equation gives
an +2 =
where:
n=2
ao
a2
a3
a4
||
a1 =
+
y =
∞
||
M8
n=1
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.
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
+
An +1 +
n=0
e) Using the initial values and the recursive formula, determine the first few terms of the
series solution
x = 0
= 0
An
y = a + a₁x + ª²x² + α3x³ + α²x² + ...
Transcribed Image Text:Follow the steps below to solve the given differential equation using series methods. Assuming the solution can be represented by a power series y' = y' = Σ a) Find the first and second derivatives of y. ∞ n=2 n=0 IM8 IM8 ( − 3 + x)y’’ + (1 − x)y’ – 4y = 0, y(0) = 1, y'(0) = 3 b) Substituting y, y', y'' into the equation gives an +2 = where: n=2 ao a2 a3 a4 || a1 = + y = ∞ || M8 n=1 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. 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 + An +1 + n=0 e) Using the initial values and the recursive formula, determine the first few terms of the series solution x = 0 = 0 An y = a + a₁x + ª²x² + α3x³ + α²x² + ...
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