User:Maxk/Sandbox

This is Problem 4 of Homework 2
The first statement is:
 * $x = \frac{2}{3} + \frac{3}{4} = \frac{17}{12}.$

The second statement is:
 * If $x$ is an integer, then $(x^3)^2 = (x^2)^3$.

The third statement is:
 * If $n \in \NN$, and $n \geq 1$, then $\sum_{i=0}^{n} i^n = \frac{1}{1-i}$.