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Math Help - [SOLVED] Simple Issue: Absolute Value

  1. #1
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    [SOLVED] Simple Issue: Absolute Value

    So the problem is [Math]abs(3-sqrt(17))[/tex].

    What I do know is that the result should be a positive 1.2311, what I don't know is can I represent that with a square root or do I have to convert it to a decimal? I am stuck on how to represent this.
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  2. #2
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    Do you understand that |a-b|=|b-a|?
    So |3-\sqrt{17}|=|\sqrt{17}-3|=\sqrt{17}-3.
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  3. #3
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    Well I do now! That makes a lot more sense.
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