Question

What is the nth term rule of the quadratic sequence below?

4
,
6
,
10
,
16
,
24
,
34
,
46
,
.
.
.

Answer 1

4+(n-1)2

Explanation:

Because its an arithmatic series for which the formula is

n-term=first term+(n-1)d.

where "d" is the common difference.

Answer 2

60

,

76


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