1003107304

SubArea: 
Introduction to sequences
Level: 
B
Project ID: 
1003107304
Accepted: 
1
Clonable: 
0
Easy: 
1
We are given a sequence (an)n=1∞ defined recursively by: a1=0; an+1=2−an, n∈N. Find the nth term of this sequence.
an=1+(−1)n, n∈N
an=1+(−1)n+1, n∈N
an=1+(−1)n−1, n∈N
an=1−1n, n∈N