6. For each of the following equations, (i) show that x = 0 is a regular singular point, (ii) find and solve the indicial equation, (iii) determine the recurrence relation, and use the results of (ii) and (iii) to find and the first four on-zero terms of two linearly independent Frobenius solutions. (a) 4x²y" + 2xy' – xy = 0 (b) 2x?y" – xy + (x² + 1)y = 0

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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how to solve (a)?

6. For each of the following equations, (i) show that x = 0 is a regular singular point, (ii) find
and solve the indicial equation, (iii) determine the recurrence relation, and use the results of
(ii) and (iii) to find and the first four non-zero terms of two linearly independent Frobenius
solutions.
(a) 4x²y" + 2xy' – xy = 0
(b) 2x²y" – xy + (x² + 1)y = 0
|
1
an+1/2
(2n + 1)!"
1
1
Ans: (a) Y1
1+ X +
x² +
Y2
..
3!
5!
(2n)!
n=0
n=0
1
1+
2!
1
,2
x +
1
1
1
1
x² +
4!
(b) ут
x!/2
+
11088
+...
6!
168
1
1
+
360
1
1
10
Y2 = x
28080
Transcribed Image Text:6. For each of the following equations, (i) show that x = 0 is a regular singular point, (ii) find and solve the indicial equation, (iii) determine the recurrence relation, and use the results of (ii) and (iii) to find and the first four non-zero terms of two linearly independent Frobenius solutions. (a) 4x²y" + 2xy' – xy = 0 (b) 2x²y" – xy + (x² + 1)y = 0 | 1 an+1/2 (2n + 1)!" 1 1 Ans: (a) Y1 1+ X + x² + Y2 .. 3! 5! (2n)! n=0 n=0 1 1+ 2! 1 ,2 x + 1 1 1 1 x² + 4! (b) ут x!/2 + 11088 +... 6! 168 1 1 + 360 1 1 10 Y2 = x 28080
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