Calculus Examples

$\sum_{k = 2}^{6} 2^{k - 1}$

Step 1

Expand the series for each value of $k$ .

$2^{2 - 1} + 2^{3 - 1} + 2^{4 - 1} + \dots + 2^{6 - 1}$

Step 2

Simplify the expanded form.

$62$

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