For each positive integer n, the quantity sn is defined such that sn + 2 = (sn)2 − sn + 1. In addition, s2 = 1.
Select values for s1 and s4 that are jointly compatible with these conditions. Make only two selections, one in each column.
S1 | S4 | |
---|---|---|
|
|
-12
|
|
|
-7
|
|
|
-3
|
|
|
-1
|
|
|
0
|