Find the nth term of the following sequences
Question 1:
3
,
12
,
27
,
48
,
75
3
n
2
Question 2:
4
,
16
,
36
,
64
,
100
4
n
2
Question 3:
-4
,
5
,
20
,
41
,
68
3
n
2
−
7
Question 4:
-5
,
4
,
19
,
40
,
67
3
n
2
−
8
Question 5:
-4
,
1
,
10
,
23
,
40
2
n
2
−
n
−
5
Question 6:
6
,
10
,
20
,
36
,
58
3
n
2
−
5
n
+
8
