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Homework Help: 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

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    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

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    Well done.
     
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