Precalculus Examples

$\ln (e^{- 2}) = b$

Step 1

Rewrite the equation as $b = \ln (e^{- 2})$ .

$b = \ln (e^{- 2})$

Step 2

Simplify $\ln (e^{- 2})$ .

Tap for more steps...

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

$b = - 2 \ln (e)$

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

$b = - 2 \cdot 1$

Multiply $- 2$ by $1$ .

$b = - 2$