My Math Forum limit sequence

 Pre-Calculus Pre-Calculus Math Forum

June 3rd, 2017, 12:50 PM   #1
Newbie

Joined: Oct 2015
From: rotterdam

Posts: 8
Thanks: 1

limit sequence

Hello,

I don't understand what sequence cn is (see attachment).
Who can help me?
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 June 3rd, 2017, 01:32 PM #2 Math Team   Joined: Dec 2013 From: Colombia Posts: 7,616 Thanks: 2605 Math Focus: Mainly analysis and algebra $c_n=\frac{27}{2n}$
 June 4th, 2017, 05:25 AM #3 Newbie   Joined: Oct 2015 From: rotterdam Posts: 8 Thanks: 1 I understand that Cn = 27/2n. But why Cn = 27/2n? Is that the only option?
 June 4th, 2017, 06:46 AM #4 Math Team   Joined: Dec 2013 From: Colombia Posts: 7,616 Thanks: 2605 Math Focus: Mainly analysis and algebra No, just one of the many that work. It's easy to make the comparison with the other expression because all the terms omitted are less than or equal to 1.

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