Answer
$\frac{b}{3}$
Work Step by Step
$\int_{0}^{(3\sqrt{b})}$
=$\frac{(3\sqrt{b})^3}{3}$
=$\frac{b}{3}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.