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

Guest Mar 1, 2018

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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