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Math Help - integration

  1. #1
    Super Member
    Joined
    Oct 2008
    From
    Bristol, England
    Posts
    897

    integration

    hi,

    i need to know how to integrate this:

    (integrate sign with 2 at top and -2 at bottom) 6x^2+1 dx

    i know how to start it:

    =[6x^3/3+x] (2 at top of bracket, -2 at bottom)

    but its after this im stuck. im not sure how to simplify 6x^3/3?
    after this part i cant do i should be able to complete it but im not sure how to simplify it.
    could somone please help me on this part?!?

    thanks!
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  2. #2
    Super Member Quacky's Avatar
    Joined
    Nov 2009
    From
    Windsor, South-East England
    Posts
    901

    Re: integration

    You're just expected to use the fact that \frac{6}{3}=2.

    Edit: I highly suggest revising your algebra skills before continuing with calculus because calculus will be an uphill struggle until your algebra skills are refined.
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