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Math Help - Quick question

  1. #1
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    Quick question

    Can someone show me how 1/√2 is the same as √2/2 ?

    Most appreciated
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  2. #2
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    Quote Originally Posted by johnnyturbo3 View Post
    Can someone show me how 1/√2 is the same as √2/2 ?

    Most appreciated
    Multiply top and bottom by of 1/√2 by √2 .....
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  3. #3
    trighelp34_ariel
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    yeah, you're not supposed to have radicals in the denominator of a fraction, therefore you multiply the top and the bottom of the fraction by √2 and so the squareroot is cancelled out of the bottom, leaving 2. and √2 is multiplied by one on the top, which leaves √2/2
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