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Precalculus Examples

Popular Problems

Evaluate 9 log base 9 of 81

$9 \log_{9} (81)$

Step 1

Logarithm base $9$ of $81$ is $2$ .

$9 \cdot 2$

Step 2

Multiply $9$ by $2$ .

$18$

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

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