sequence and series

Algebra
Tutor: None Selected Time limit: 1 Day

Find the Nth term in following sequence   

A1= 148, An= An-1^-20 22nd term

May 20th, 2015

Can u pls post the full question?


May 20th, 2015

It says Find the Nth term of the following sequence

A1= 148, An=An-1-^20 ( 22nd term)

May 20th, 2015

Recursive : 

An = An-1 . (1/3)

Explicit formula: 1. (1/3)^(n-1)

Please let me know if you have any questions and best me if you are satisfactory.


May 20th, 2015

Can you explain how you got the answer


May 20th, 2015

and is that times 1/3


May 20th, 2015

first term = 1

Common ratio = 1/3

so the n th term = (n-1) th term * Common ratio                    (Recursive formula)

            n th term = first term . Common ratio^(n-1)              (Explicit formula)

May 20th, 2015

what?

did u get it?

May 20th, 2015

I think so

May 20th, 2015

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