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!

Integrating a polynomial with a square root

  1. Oct 7, 2015 #1
    • Poster has been reminded to show their work when asking schoolwork questions
    1. Integrate the following: (4x - x^2)^1/2 dx


    2. Any assistance would be appreciated.


    3. Honestly don't know where to start.
     
  2. jcsd
  3. Oct 7, 2015 #2

    Simon Bridge

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    2016 Award

    Complete the square under the root, and use a trig substitution.
     
  4. Oct 7, 2015 #3
    Read up on trig substitution. I hadn't covered it yet. Thank you. Works like a charm.
     
  5. Oct 10, 2015 #4

    Simon Bridge

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    2016 Award

    Well done.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Integrating a polynomial with a square root
Loading...