9000065301

SubArea: 
Arithmetic sequences
Level: 
A
Project ID: 
9000065301
Accepted: 
1
Clonable: 
0
Easy: 
1
Find the recurrence equations for the arithmetic sequence with the first term a1=4 and the common difference d=−2.
a1=4; an+1=an−2, n∈N
a1=4; an+1=a1−2, n∈N
an=4+an+2, n∈N
an+1=an+2, n∈N