Question

if the nth term of a sequence is 2n+2n squared, find the first 3 terms and the 10th term please help​

Answer 1

3rd term: 24

10th term: 220

Explanation:

For the 3rd term

2*3 + 2*(3^2) = 6 + 2*9 = 6 + 18 = 24

For the 10th term

2*10 + 2*(10^2) = 20 + 2*100 = 20 + 200 = 220