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Simple integration issue

  1. Oct 22, 2013 #1
    This is the only relevant term. I could do the rest but it seems that lower math has failed me here. any help appreciated.

    each new line should begin with an equals sorry.

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    Last edited by a moderator: Oct 31, 2013
  2. jcsd
  3. Oct 22, 2013 #2


    Staff: Mentor

    What's your question? Is it that the exponent on x changed from -1/2 to 1/2 or are you unable to understand how ##\frac 1 6 * \frac 1 {1/2} = \frac 1 3##?

    If it's the latter, ##\frac a b \cdot \frac c d = \frac{ac}{bc}##.

    Have you checked out the khanacademy link that I gave yesterday? Until you get your arithmetic skills up to where they need to be, you won't be able to follow even the simplest calculus explanations.
  4. Oct 22, 2013 #3
    how did x change from - 1/2 to 1/2.
  5. Oct 22, 2013 #4


    Staff: Mentor

    x didn't change - its exponent changed from -1/2 to 1/2. This was explained in the thread you started yesterday.

    ##\int x^n dx = \frac{x^{n+1}}{n+1} + C## if n ≠ -1.
  6. Oct 22, 2013 #5
    Sorry. I remember posting that thread now. Haven't slept in two days.
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