For all positive integral values of n, $\frac{n^{5}}{5}+\frac{n^[3}}{3}+\frac{7n}{15}$ is a

E

Editor

Sep 18, 2022

For all positive integral values of n, $\frac{n^{5}}{5}+\frac{n^[3}}{3}+\frac{7n}{15}$ is a

Difficulty: Easy

A:

Negative real number

B:

Rational number

C:

Positive integer

D:

Prime number

ID: 63273db9ca83163ac3a116f7