Precalculus Examples

$\log_{2} (4) (a - b)$

Step 1

Logarithm base $2$ of $4$ is $2$ .

$2 (a - b)$

Step 2

Apply the distributive property.

$2 a + 2 (- b)$

Step 3

Multiply $- 1$ by $2$ .

$2 a - 2 b$

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