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Math Help - Help on Surds

  1. #1
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    Help on Surds

    im really stuck on my surds homework, i just need help on finding out how to do it.

    Express ^63/3 + 14/^7 in the form n^7, where n is an integar.
    Last edited by Sam16; October 15th 2008 at 10:59 AM.
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  2. #2
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    Quote Originally Posted by Sam16 View Post
    im really stuck on my surds homework, i just need help on finding out how to do it.

    Express ^63/3 + 14/^7 in the form n^7, where n is an integar.
    Hello

    Something like this?

    \frac{\sqrt{63}}{3} + \frac{14}{\sqrt{7}}

    =\frac{\sqrt{9}*\sqrt{7}}{3} + \frac{14\sqrt{7}}{7}

    =\frac{3\sqrt{7}}{3} + 2\sqrt{7}

    = \sqrt{7} + 2\sqrt{7}

    = 3\sqrt{7}

    Does that help, can you follow the steps?
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