Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.
y=1/x^4, y=0, x=2, x=6, about y=4
 one year ago
 one year ago
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=1/x^4, y=0, x=2, x=6, about y=4
 one year ago
 one year ago

This Question is Closed

math>philosophyBest ResponseYou've already chosen the best response.0
I would use the method of cylindrical shells. At any f(x) value between 2 and 6, what is the radius from that y point to y = 4?
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
Which method u prefer? shell or washer?
 one year ago

monroe17Best ResponseYou've already chosen the best response.0
I just need help setting it up to integrate then i can take it from there...
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
The setup of the integral depends on the method you use....
 one year ago

monroe17Best ResponseYou've already chosen the best response.0
^ I didn't see your comment.. the washer method :)
 one year ago

math>philosophyBest ResponseYou've already chosen the best response.0
Why you choose washersssssss D:
 one year ago

monroe17Best ResponseYou've already chosen the best response.0
isn't easier? or not? usually for me it is easier..
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
i agree that washer is appropriate here.... hang on....
 one year ago

math>philosophyBest ResponseYou've already chosen the best response.0
You guys have fun with that >_>
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
Can you give me the expression for R and r?
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
no... i don't think it's that.. :)
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
consider this...dw:1361159501396:dw
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
for R, shouldn't it be 1/x^4 + 4 ???
 one year ago

monroe17Best ResponseYou've already chosen the best response.0
  + .. err yeah my bad
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
ok... you also agree that r = 4 (inner radius) ???
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
so... \(\large dV=\pi(R^2r^2)dx \) so \(\large V=\pi \int_2^6(R^2r^2)dx \) you replace the expressions for R and r ....
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
sorry... i gotta leave... :(
 one year ago

ByteMeBest ResponseYou've already chosen the best response.2
i'm pretty sure what we have is correct....
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.