7. Find the radius and interval of convergence. (л — 2)" a) > (x + 1)" b) n 3n+1 nº 5n n=1 n=1
7. Find the radius and interval of convergence. (л — 2)" a) > (x + 1)" b) n 3n+1 nº 5n n=1 n=1
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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Transcribed Image Text:**7. Find the radius and interval of convergence.**
a) \(\sum_{n=1}^{\infty} \frac{(x - 2)^n}{n \cdot 3^{n+1}}\)
b) \(\sum_{n=1}^{\infty} \frac{(x + 1)^n}{n^5 \cdot 5^n}\)
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