Precalculus Examples

$4 \log (6) + 2 \log (9)$

Step 1

Simplify each term.

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Step 1.1

Simplify $4 \log (6)$ by moving $4$ inside the logarithm.

$\log (6^{4}) + 2 \log (9)$

Step 1.2

Raise $6$ to the power of $4$ .

$\log (1296) + 2 \log (9)$

Step 1.3

Simplify $2 \log (9)$ by moving $2$ inside the logarithm.

$\log (1296) + \log (9^{2})$

Step 1.4

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

$\log (1296) + \log (81)$

Step 2

Use the product property of logarithms, $\log_{b} (x) + \log_{b} (y) = \log_{b} (x y)$ .

$\log (1296 \cdot 81)$

Step 3

Multiply $1296$ by $81$ .

$\log (104976)$

Step 4

The result can be shown in multiple forms.

Exact Form:

$\log (104976)$

Decimal Form:

$5.02109002 \dots$