<p><img alt="3 (BONUS) Find a parametrization for the surface obtained by revolving the curve y = x2, 1 x 2 around r-axis and then find its surface area." src="https://media.cheggcdn.com/media%2F8ed%2F8ed66e7f-5706-45fb-a035-bfd11ef566c9%2Fphpzo05E4.png" style="height:126px;width:1024px;"