Precalculus Examples

$11^{2 \log_{11} (9)}$

Step 1

Simplify $2 \log_{11} (9)$ by moving $2$ inside the logarithm.

$11^{\log_{11} (9^{2})}$

Step 2

Exponentiation and log are inverse functions.

$9^{2}$

Step 3

Raise $9$ to the power of $2$ .

$81$