(b) Show lim Sn = +∞ if and only if lim(-sn) (c) Show that if lim sn = = -∞. +∞ and k < 0, then lim(ksn) = -∞.
(b) Show lim Sn = +∞ if and only if lim(-sn) (c) Show that if lim sn = = -∞. +∞ and k < 0, then lim(ksn) = -∞.
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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Question
please show clearly， only b and c, thanks
Transcribed Image Text:9.10
Show that if lim sn
(b) Show lim Sn
=
=
+∞ and k > 0, then lim(ksn) = +∞.|
+∞ if and only if lim(–sn) -∞.
(c) Show that if lim sn
=
+∞ and k < 0, then lim(ksn): =10
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