Apply the theorem: /Let (XN) be a sequence of positive real Numbers such that Li 2:= lim (XN+1/XN) exists. If L<1, then (XN) converges and lim (XN) = 0. to the following sequences, where a,b satisfy O

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Apply the theorem :/ Let (XN) be a sequence of positive
real Numbers such that Li-
L: = lim (XN+1/XN) exists. If L<1,
theN (X) converges and lim (XN) = 0.
to the following sequences, where a, b satisfy o
O<a<1, b>1:
a) (a") b) (b"/2") c) (N/b") d) (23³"/32N)
Transcribed Image Text:Apply the theorem :/ Let (XN) be a sequence of positive real Numbers such that Li- L: = lim (XN+1/XN) exists. If L<1, theN (X) converges and lim (XN) = 0. to the following sequences, where a, b satisfy o O<a<1, b>1: a) (a") b) (b"/2") c) (N/b") d) (23³"/32N)
Expert Solution
Step 1: Solution

Given sequences: 

(a): open angle brackets a to the power of N close angle brackets

(b): open angle brackets b to the power of N over 2 to the power of N close angle brackets

(c): open angle brackets N over b to the power of N close angle brackets

(d): open angle brackets 2 to the power of 3 N end exponent over 3 to the power of 2 N end exponent close angle brackets

where a and b satisfy 

0 less than a less than 1 comma space b greater than 1

We have to find the limit of the given sequences by applying the given theorem.

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