+0  
 
0
96
1
avatar

Write an explicit rule for the recursive rule. a1=−3, an=an−1+3

off-topic
 Feb 6, 2020
 #1
avatar+29198 
+5

This is a simple arithmetic progression.  By explicitly writing the first few terms the pattern becomes obvious:

 

n     1  2   3   4   5 ...

an  -3  0   3   6   9 ...

 

an = 3n - 6

 Feb 6, 2020

22 Online Users

avatar
avatar