Precalculus Examples

$\frac{\ln (0.9)}{(0.9) - 1}$

Step 1

Subtract $1$ from $0.9$ .

$\frac{\ln (0.9)}{- 0.1}$

Step 2

Move the negative in front of the fraction.

$- \frac{\ln (0.9)}{0.1}$

Step 3

Replace $e$ with an approximation.

$- \frac{\log_{2.71828182} (0.9)}{0.1}$

Step 4

Log base $2.71828182$ of $0.9$ is approximately $- 0.10536051$ .

$- \frac{- 0.10536051}{0.1}$

Step 5

Divide $- 0.10536051$ by $0.1$ .

$- - 1.05360515$

Step 6

Multiply $- 1$ by $- 1.05360515$ .

$1.05360515$