Use the difference a,n+1 – a, to show that the given sequence {a,}is strictly increasing or strictly decreasing. +oo 7n - 6J n=1 an+1 - an = 1 strictly decreasing - (7n – 6)(7n + 6) 6. ; strictly decreasing - (7n + 6)(7n – 1)' strictly decreasing (7n – 6)(7n + 1)' 6. strictly increasing (7n + 6)(7n – 1)' -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 71E
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Use the difference an+1
- an to show that the given sequence {a,}is strictly increasing or strictly decreasing.
7n – 6 J n=1
An+1 - an =
1
strictly decreasing
(7n – 6)(7n + 6)'
6.
; strictly decreasing
(7n + 6)(7n – 1)'
6.
strictly decreasing
(7n – 6)(7n + 1)'
6.
strictly increasing
(7n + 6)(7n – 1)'
pe here to search
cer
Transcribed Image Text:View Policies Current Attempt in Progress Use the difference an+1 - an to show that the given sequence {a,}is strictly increasing or strictly decreasing. 7n – 6 J n=1 An+1 - an = 1 strictly decreasing (7n – 6)(7n + 6)' 6. ; strictly decreasing (7n + 6)(7n – 1)' 6. strictly decreasing (7n – 6)(7n + 1)' 6. strictly increasing (7n + 6)(7n – 1)' pe here to search cer
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