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Math Help - How in the world do I prove this by induction??

  1. #1
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    How in the world do I prove this by induction??

    Hi all,

    Firstly let me say, I don't know what I would do without this forum helping me learn.


    Now, I have only done one example of proving summations by induction, and this one just confuses the heck out of me. Obviously, I know that I have to have a base case, induction hypothesis, and an induction step, I just don't know how to apply it all to this particular proof. Thank you for anyone who can explain this to me.

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  2. #2
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    Re: How in the world do I prove this by induction??

    induction is almost always the following two steps

    1) show your statement is true for n=1

    2) assume that your statement is true for n, and show it is true for (n+1)

    (1) is easily verified in this case, just plug it in and simplify.

    I leave (2) to you to confirm but it's just algebra and should be well within your abilities to show.
    Thanks from michaelgg13
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