Correct Answer: 172
Explanation:
Take a Look at the below sereies
2 × 1 + 1 2 = 3
3 × 2 + 2 2 = 10
10 × 3 + 3 2 = 39
39 × 4 + 4 2 = 172
172 × 5 + 5 2 = 885