Find the nth term of the following sequences
Question 1:
3
,
12
,
27
,
48
,
75
3
n
2
Question 2:
2
,
8
,
18
,
32
,
50
2
n
2
Question 3:
-3
,
6
,
21
,
42
,
69
3
n
2
−
6
Question 4:
5
,
11
,
21
,
35
,
53
2
n
2
+
3
Question 5:
6
,
19
,
38
,
63
,
94
3
n
2
+
4
n
−
1
Question 6:
8
,
10
,
14
,
20
,
28
n
2
−
n
+
8
