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??