$\"\"$

The rate of change of $\"\"$ with respect to $\"\"$ is inversly proportional to $\"\"$ .

$\"\"$

Integrate with respect to $\"\"$ .

$\"\"$

Integrate constant multiply rule.

$\"\"$

Integrate power rule.

$\"\"$

Rewrite the expression with common denominator.

$\"\"$ .

The general solution is $\"\"$ .

$\"\"$

The general solution is $\"\"$ .