$\"\"$

Observe the graph of the area of the regions $\"\"$ and $\"\"$ .

From the graph,

Area of the region $\"\"$ is

$\"\"$

The area labeled $\"\"$ is three times the area labeled $\"\"$ .

$\"\"$

From the graph,

Area of the region $\"\"$ is

$\"\"$

Apply logarithm on each side.

$\"\"$ .

$\"\"$

$\"\"$ .