0
1
2
8
Does not exist
1
½
0
8
2
3
5
2
1
4
0
1
½
1/3
2/3
25/6
1
2
4
0
e
1/e
e2
1
None of these
3
6
12
2
9
0
2
1
-2
-1
0
1
-1
Does not exist
8
2
4
-2
-4
1
–3, 4
3, –4
–1,–3, 4
–1, 3, 4
-1, 3, -4
1
-1
0
Does not exist
8
5
3
5/2
3/2
1
-1
1
2
-2
0
0
1
-1
Does not exist
2