Answer
$V'(r)=3\pi r^{2}$
Work Step by Step
$V(r)=\pi r^{3}$
$V'(r)=3\pi r^{3-1}$
$V'(r)=3\pi r^{2}$
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.