Please try and help,
Let R be the region in the xy-plane between the graphs of y = ex and y = e-x from x = 0 to x = 2.
a) Find the volume of the solid generated when R is revolved about the x-axis.

Question

Please try and help, 
Let R be the region in the xy-plane between the graphs of y = ex and y = e-x from x = 0 to x = 2.
	a) Find the volume of the solid generated when R is revolved about the x-axis.

amistre64 · Answer

http://openstudy.com/users/amistre64#/updates/4f496108e4b00c3c5d330507 tell your teacher i said hi :)

amistre64 · Answer

i think someones breaking the openstudy again .....

turingtest · Answer

it's funny how every time there are no exponent symbols too

anonymous · Answer

haha thanks

amistre64 · Answer

does that open for you?  this thinkg is acting wierd on my end

anonymous · Answer

yeah i think i got it

amistre64 · Answer

good, if you have any questions, kevins post on the exact same thing is a few above it lol

anonymous · Answer

Ok great thanks again

anonymous · Answer

sorry to bother you, but im a little confused on the beginning of the problem. How did you get that graph my calculator looks completely different?

amistre64 · Answer

i drew it with the drawing tool; so its not gonna be exact

amistre64 · Answer

but working with these things you learn that e^x is up and e^-x is down

amistre64 · Answer

|dw:1330297270598:dw|

amistre64 · Answer

i just included the relavant parts

anonymous · Answer

ok now i see it, and since were rotating it around the x axis its hollow right?

anonymous · Answer

im up to the integration now i cant understand how he got 26 pi?