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Lecture 18

MATH 2B Lecture 18: SequencesPremium


Department
Mathematics
Course Code
MATH 2B
Professor
ERJAEE, G.
Lecture
18

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02/15/2019
MATH 2B - Lecture 18 - Sequences
Sequence - a list of infinite numbers written in a definite order
Notations - 
or  or 
Example:
 can be denoted as:
 
preceding notation general formula explicit
expression
Example: 










Divergence & Convergence
A sequence  is convergent, if 
, L is a finite number
Otherwise, we say  is divergent
Basically, we try to find the general formula for a sequence, , then try to
find 


If 
 is finite  is convergent. Otherwise,  is divergent
Example:
Determine whether
 is convergent
Solution:







[Convergent]
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