User:Gsimon/Sandbox

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

The second statement is:
 * If $x$ is zero or unity, then $x^{2 + 3} = (x^2)^3$.

The third statement is:
 * If $n \in \NN$, and $n \geq 1$, then $\sum_{i=1}^{n+3} i =$ $\frac{n^2+7n+12}{2}$.

Ceiling/Floor Errors?
$$\lfloor \displaystyle\sum_{i=1}^N x_i^i \rfloor$$

$$\lfloor \displaystyle\sum_{i=1}^N x_i^i \rfloor$$

$$\left\lfloor \displaystyle\sum_{i=1}^N x_i^i \right\rfloor$$

$$\left\lfloor \displaystyle\sum_{i=1}^N x_i^i \right\rfloor$$

$$\lceil \displaystyle\sum_{i=1}^N x_i^i \rceil$$

$$\lceil \displaystyle\sum_{i=1}^N x_i^i \rceil$$

$$\left\lceil \displaystyle\sum_{i=1}^N x_i^i \right\rceil$$

$$\left\lceil \displaystyle\sum_{i=1}^N x_i^i \right\rceil$$