Find the nth term of the following sequences
Question 1:
2
,
8
,
18
,
32
,
50
2
n
2
Question 2:
3
,
12
,
27
,
48
,
75
3
n
2
Question 3:
2
,
5
,
10
,
17
,
26
n
2
+
1
Question 4:
8
,
17
,
32
,
53
,
80
3
n
2
+
5
Question 5:
6
,
17
,
34
,
57
,
86
3
n
2
+
2
n
+
1
Question 6:
17
,
31
,
51
,
77
,
109
3
n
2
+
5
n
+
9
