Question

What is the nth term for the following example?

4, 9, 16, 25

Answer 1

If you look at the first 4 terms given, you'll see that they are squares of 2,3,4,5.

Notice that 12 or 1 is not part of the series

The first term is 22, the 2nd term is 32, etc. So the nth term would be (n+1)2

So the formula for the nth term is

(n+1)2

Step-by-step explanation: because it is