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:
-2
,
7
,
22
,
43
,
70
3
n
2
−
5
Question 4:
3
,
15
,
35
,
63
,
99
4
n
2
−
1
Question 5:
8
,
19
,
36
,
59
,
88
3
n
2
+
2
n
+
3
Question 6:
3
,
12
,
29
,
54
,
87
4
n
2
−
3
n
+
2