1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Volume of a solid

  1. Feb 4, 2012 #1
    1. The problem statement, all variables and given/known data

    3. The attempt at a solution

    I dont' see why you don't take the antiderivative of pix^(1/2) which makes it

  2. jcsd
  3. Feb 4, 2012 #2


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    Because the integrand is [itex]\pi [\sqrt{x}]^2[/itex], not [itex]\pi \sqrt{x}[/itex].
  4. Feb 4, 2012 #3
    thanks. my book did a real poor job of explaining that.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook