Precalculus Examples

$\sum_{k = 5}^{20} 11 n + 19$

Step 1

Expand the series for each value of $k$ .

$11 n + 19 + 11 n + 19 + 11 n + 19 + \dots + 11 n + 19$

Step 2

Simplify the expanded form.

$0$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$