y ₁ - 14 xy = 0 ower Series representations of element 8 = 2 = 1=1+x+ n=0 cosx= Σ n=0 2! (-1)"x2n (2n)! + x² 2! 4!
y ₁ - 14 xy = 0 ower Series representations of element 8 = 2 = 1=1+x+ n=0 cosx= Σ n=0 2! (-1)"x2n (2n)! + x² 2! 4!
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question

Transcribed Image Text:Find
Power series solution of the differential equation
given below. Determine the radius of convergence of the
resulting series, and use the series
given below
identify the series in terms of familar elementary.
functions.
to
y ₁ - 14 xy = 0
Power Series
representations of elementary functions
00
- Σ
n=0
COS X =
n!
cosh x=
80
n=0
∞0
sinx= Σ
n=0
= 1+x+
In (1+x)=
(-1)^x2n
(2n)!
00
(-1)^x²n+1
(2n + 1)!
sinhx= )
n=0
2n
x²
(2n)!
n=0
∞ 2n+1
+²
2!
00
= 1+
(2n + 1)!
(1+x) = 1 + x +
+
n
1-
(-1)^+ 1 x
3!
=X-
2!
=X+
α(α-1)
2!
x² x4
2! 4!
+
+ ...
x³
3!
x³ x5
+
3! 5!
X
-x² +
4!
+
X-
n=0
∞0
1
1-²x = Σ x² = 1+x+x² + x³ + ...
n=0
2
2
+ ...
3
α(α-1)(x-2)
3!
A) The power series solution is
-x³+.
y(x) =
+
(Please enter an
expression in terms
of C that includes
all terms up to
order 6.)
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