Recent content by vinsento

Homework Statement Find the surface area of the solid obtained by rotating y = √9 − X^2 , − 2 ≤ X ≤ 2 about the X-axis. Homework Equations ∏r^2 The Attempt at a Solution Y = (9 - x^2)^-1/2 Is that can do like this.. then how bout the power inside the X^2??