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Math Help - proof

  1. #1
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    proof

    Hi,

    I need to prove the next formula (attached file)
    any hints ?
    Attached Thumbnails Attached Thumbnails proof-111.gif  
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  2. #2
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    Quote Originally Posted by WeeG View Post
    Hi,

    I need to prove the next formula (attached file)
    any hints ?
    I don't think it's always true for all x. Try x = 4.
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  3. #3
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    Quote Originally Posted by WeeG View Post
    Hi,

    I need to prove the next formula (attached file)
    any hints ?
    Well the statement is not true because the middle expression exceeds 3/2 whenever |x| > 3, but in general for this type of problem you can use limits.
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