Page 90 - Calculus for the Clueless, Calc II
P. 90
square unit.
C. Find the volume if the region y = x e is rotated about the x-axis, where x > 0:
-x
Improper part is again infinity.
2
Again, integration by parts: u = x , dv
= e -2x .
u = x, dv = e -2x .
The volume is π/4 cubic units.
