Find the nth term of the following sequences
Question 1:
2
,
8
,
18
,
32
,
50
2
n
2
Question 2:
1
,
4
,
9
,
16
,
25
n
2
Question 3:
6
,
15
,
30
,
51
,
78
3
n
2
+
3
Question 4:
-9
,
-6
,
-1
,
6
,
15
n
2
−
10
Question 5:
-11
,
-10
,
-7
,
-2
,
5
n
2
−
2
n
−
10
Question 6:
-2
,
5
,
20
,
43
,
74
4
n
2
−
5
n
−
1
