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Sequences? Not sure why an algebraic formula is different from a recursive.

Guest Mar 1, 2018
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A recursive formula  can be used to find a term based upont the previous term

 

An algebraic formula can be used to find any term

 

First one

 

an  = 5  + 5(n - 1)    where n is the nth term

 

Second one  is a geometric series

 

an  =   3n     where n is the nth term

 

 

Last one

 

an   =       n 

             ____        where n is the nth term

              n + 1

 

 

cool cool cool

CPhill  Mar 1, 2018

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