Precalculus Examples

$\ln (e^{2 x - 1})$

Step 1

Use logarithm rules to move $2 x - 1$ out of the exponent.

$(2 x - 1) \ln (e)$

Step 2

The natural logarithm of $e$ is $1$ .

$(2 x - 1) \cdot 1$

Step 3

Multiply $2 x - 1$ by $1$ .

$2 x - 1$