Homework Statement
Find the volume of the solid created when the area between the function y=xe0.5x and the x-axis (for 0≤x≤2) is rotated about the line x=-2
Homework Equations
Shell Method: Vs = ∫ 2∏r * f(x)
The Attempt at a Solution
r = x + 2
r * f(x) = x2e0.5x + 2xe0.5x
Thus, 2∏∫...
Homework Statement
Find the volume of a solid created when the area between the function y=x^2+1 and the x-axis (for 0<x<2) is rotated about the line y=-2.
Homework Equations
Vs = ∏*r^2*h
The Attempt at a Solution
I can't seem to set this up correctly and am thrown by the inner radius...