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Math Help - Answer plzzzz

  1. #1
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    Question Answer plzzzz

    REMOVE RADICAL SIGN!
    1/underroot 8

    plz explain the way u adopt as I know nothing about it
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  2. #2
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    Quote Originally Posted by Peacewanters007 View Post
    REMOVE RADICAL SIGN!
    1/underroot 8

    plz explain the way u adopt as I know nothing about it
    ****!THANKS 4 SPENDING YOUR PRECIOUS TIME!***
    Hello,

    I assume that you know: \sqrt{a} \cdot \sqrt{a} = a and

    \sqrt{a \cdot b} = \sqrt{a} \cdot \sqrt{b} . Then:

    \frac1{\sqrt{8}}=\frac1{\sqrt{8}} \cdot \frac{\sqrt{8}}{\sqrt{8}}= \frac{\sqrt{8}}{8} = \frac{\sqrt{4} \cdot \sqrt{2}}{8}=\frac{\not 2^1 \cdot \sqrt{2}}{\not 8_4}=\frac{\sqrt{2}}{4}
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