1003085004

SubArea: 
Introduction to sequences
Level: 
A
Project ID: 
1003085004
Accepted: 
1
Clonable: 
0
Easy: 
1
A sequence (an)n=1∞ is defined by the recursive formula a1=1; an+1=3an, n∈N. What are its first five terms?
1, 3, 9, 27, 81
3, 9, 27, 81, 243
1, 3, 6, 12, 24
1, 3, 9, 30, 90