Calculus Examples

$\sum_{j = 2}^{6} 3 j - 1$

Step 1

Expand the series for each value of $j$ .

$3 \cdot 2 - 1 + 3 \cdot 3 - 1 + 3 \cdot 4 - 1 + \dots + 3 \cdot 6 - 1$

Step 2

Simplify the expanded form.

$55$

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