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Homework Help: Calculating Integrals

  1. Sep 1, 2009 #1
    1. The problem statement, all variables and given/known data
    Calculate the integral.
    Code (Text):
    [tex]\int\frac{d}{dx}\sqrt{x^{2} + 4}dx[/tex]
    2. Relevant equations



    3. The attempt at a solution
    All i know is that i am suppose to factor out the
    Code (Text):
    [tex]\frac{d}{dx}[/tex]
    to become
    Code (Text):
    [tex]\frac{d}{dx}\int\sqrt{x^{2} + 4}dx[/tex]
     
  2. jcsd
  3. Sep 1, 2009 #2

    rock.freak667

    User Avatar
    Homework Helper

    Here is a hint: Integration is the reverse of differentiation.


    There is no factoring out the d/dx
     
  4. Sep 2, 2009 #3

    HallsofIvy

    User Avatar
    Science Advisor

    "Fundamental Theorem of Calculus" (which is basically what rock.freak667 said).
     
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