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Precal Help????

0 votes

 

 
Use the fact that lim       x ln(1+(1/x))=1 to evaluate lim       (1+(1/x))^(x). 
                              x → ∞                                                 x → ∞

 

asked Jul 24, 2014 in PRECALCULUS by heather Apprentice

1 Answer

0 votes

lim        (1+(1/x))^(x).

x → ∞

it makes sense to choose f(x) =ln(f(x))

lim        ln ((1+(1/x))x

x → ∞

Using the formula:ln (a)m =m ln(a)

= lim       x ln ((1+(1/x))

 x → ∞

=1                           (Since  lim        x ln(1+(1/x))=1)

                                        x → ∞

 

lim        ln ((1+(1/x)) =1   

x → ∞

lim        ((1+(1/x))= e   

x → ∞

 

answered Jul 24, 2014 by bradely Mentor

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