6. Given the explicit formula, find the first three
terms (substitute 1,2, and 3 respectively into the
formula) and write the recursive formula

an = 3^n-1

Step-by-step explanation:

Given the explicit formula : an =  find the first three terms

n = 1 => a(1) = =

n = 2 => a(2) =

n= 3 => a(3)  =

Hope it will find you well.