Find the nth term of the following sequences
Question 1:
2
,
8
,
18
,
32
,
50
2
n
2
Question 2:
4
,
16
,
36
,
64
,
100
4
n
2
Question 3:
-4
,
-1
,
4
,
11
,
20
n
2
−
5
Question 4:
12
,
21
,
36
,
57
,
84
3
n
2
+
9
Question 5:
5
,
10
,
21
,
38
,
61
3
n
2
−
4
n
+
6
Question 6:
2
,
9
,
18
,
29
,
42
n
2
+
4
n
−
3
