How much is the average of first ‘n’ natural numbers less than the average of first ‘n’ square numbers?
1
(n2 + 1) /3
2
(n2 – 1) /3
3
(n2 + 1) /6
4
(n2 - 1) /6
How much is the average of first ‘n’ natural numbers less than the average of first ‘n’ square numbers?