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Why is the absolute value only in the numerator here?

Thread starter shanepitts
Start date May 22, 2015
Tags

Absolute Absolute value Value

2 replies · 1K views · last reply May 22, 2015

shanepitts

Thread starter
May 22, 2015

#1

Handwritten ratio test working for the series sum from n=1 to infinity of n/b^n times (x-a)^n, with b>0, showing limits of absolute ratios and the conclusion |(x-a)/b| < 1.

Discussion

SammyS

Staff Emeritus

Science Advisor

Homework Helper

May 22, 2015

#2

shanepitts said:

[ ATTACH=full]83891[/ATTACH]

Is b ever negative?

shanepitts

May 22, 2015

#3

SammyS said:

Is b ever negative?

haha

so obvious

thanks a bunch

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