gence is found by taking the Ratio Test limit (or Root Test), setting the result < 1, and to the form |x – a| < R. п(x + 3)" (a) 2n n=0 (b) Σ x" [(2n)!] (n!) n=0 a"[(2n)!] (n!)2 (c) n=0 (-1)"x2n+1 (2n + 1)! (d) n=0 (e) E(-1)"n²(x – 2)²n 9n n=0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Solve (c d e) Please

Question 2 Determine the radius of convergence, R, of the following power series. Remember the radius of conver-
gence is found by taking the Ratio Test limit (or Root Test), setting the result < 1, and manipulating
to the form |x – a| < R.
п(x + 3)"
(a)
2n
n=0
(b) "(2n)!|
(n!)
n=0
x" [(2n)!]
(c) E
(n!)2
n=0
(d) (-1)",2n+1
(2n + 1)!
n=0
(e) (-1)"n2(x – 2)2n
9n
n=0
Transcribed Image Text:Question 2 Determine the radius of convergence, R, of the following power series. Remember the radius of conver- gence is found by taking the Ratio Test limit (or Root Test), setting the result < 1, and manipulating to the form |x – a| < R. п(x + 3)" (a) 2n n=0 (b) "(2n)!| (n!) n=0 x" [(2n)!] (c) E (n!)2 n=0 (d) (-1)",2n+1 (2n + 1)! n=0 (e) (-1)"n2(x – 2)2n 9n n=0
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