Question

Find the area of a solid revolved around the x-axis bounded by the lines: y=e^x, y=pi, and x=0.

I used to know how to do this but got lazy over the summer. Just need a couple of nudges to get in the right direction.

Answer 1

Alright, we should first draw a picture. That is always helpful.

Answer 2

Ok on it, btw, I made a mistake, it's obviously supposed to be the volume of the solid, not the area.

Answer 3

Does that seem right to you?

Answer 4

Yeah that's what my drawing looks like on paper.

Answer 5

Alright, now we need to revolve it around the x-axis, so we get something like this...