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Properties of limits

Here is a handout on Limit properties:

Calculus I                                     Unity College

Properties of Limits

 

For real numbers, a (a can also be ), c, L, and M, given that taf(t)=L, tag(t)=M, then

 

Property

Example

nac=c

 

tacf(t)=c taf(t)=cL

 

ta(f(t)+g(t))=taf(t)+tag(t)=L+M

ta(f(t)-g(t))=taf(t)-tag(t)=L-M

 

taf(t)g(t)=taf(t)tag(t)=LM

 

taf(t)g(t)=LM,   as long as M0

 

For a natural number, m, tamf(t)=mL,

as long asmf(t) and mL are defined for all t

and

ta(f(t))m=Lm, for any integer, m

 


 

WARNING!  CAREFUL OF INDETERMINATE FORMS, like - and , 00!

Note: -0     and     1!!!!!!

 

Special sequences (KNOW these!):  

n(1/n) = 0   ,      n(e-n) = 0

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Timothy John Beaulieu onto Limits

Limits

A topic in all calculus based classes

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Timothy John Beaulieu