The sum of half of the square of n and half of n.

Question

Write the expression for this description.

This is MY answer:
(1/n)^2 + 1/n

Is this correct?

Answer 1

square of n ... n^2

half of the square of n ... (n^2) / 2

sum of half of the square of n and half of n ... [(n^2) / 2] + (n / 2)

or ... (n^2 + n) / 2