Solve a math problem?

Discussion in 'Community Discussion' started by emt1, Mar 20, 2009.

  1. emt1 macrumors 65816

    Joined:
    Jan 30, 2008
    Location:
    Wisconsin
    #1
    I was wondering if someone who's good at math good solve the following math problem for me. I'd really appreciate it! Thanks!

    Obviously, I'm solving for σ
     

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  2. sammich macrumors 601

    sammich

    Joined:
    Sep 26, 2006
    Location:
    Sarcasmville.
    #2
    I'm not going to solve it for you but have you tried taking a +/- of the RHS to get around the abs brackets? The problem then becomes trivial.

    You could square both sides, but it's just extra work.
     

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