an = n! To obtain an+1, replace n by n + 1 in the formula. (n+1) n+1 (n+1)! an+1 Thus, for n ≥ 1 an+1 an (n+1) "+1 (n+1)! (n+1)" n" = (¹ + )" n As (¹ + 2)" > 1 strictly increasing. n! 72 n' this shows that the sequence is Therefore, the given sequence, increasing. {2} +∞ n=1, is strictly
an = n! To obtain an+1, replace n by n + 1 in the formula. (n+1) n+1 (n+1)! an+1 Thus, for n ≥ 1 an+1 an (n+1) "+1 (n+1)! (n+1)" n" = (¹ + )" n As (¹ + 2)" > 1 strictly increasing. n! 72 n' this shows that the sequence is Therefore, the given sequence, increasing. {2} +∞ n=1, is strictly
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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In the attached image, can you explain how to simplify the fraction? I am confused after the sentence “thus, for n>=1”

Transcribed Image Text:7:57 1
an
To obtain an+1, replace n by n + 1 in the formula.
(n+1) +1
an+1 =
(n+1)!
Thus, for n ≥ 1,
(n+1) "+1
(n+1)!
an+1
an
Try solving a math problem by scanning it with X
your phone.
(n+1) "
nn
= (1 + ²)"
- - ا..
n!
n"
As (1 + 1)" > 1
this shows that the sequence is
"
strictly increasing.
n"
n!
No
Therefore, the given sequence, n=1, is strictly
increasing.
Was this solution helpful?
口
Yes
√x
DO
8
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