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Math Help - [SOLVED] logarithms! please help!

  1. #1
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    [SOLVED] logarithms! please help!

    i'm stuck on this problem. I have no clue how to start it. "If ab = 5, evaluate log5a^2b^2 sorry i dont know how to subscribt the 5.
    so its log base 5 a ^ 2 b ^ 2.
    help will be greatly appreciated!
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  2. #2
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    Quote Originally Posted by lovelylove View Post
    If ab = 5, evaluate \log_{5}((ab)^2)
    Using the power law

     \log_{5}((ab)^2)= 2 \log_{5}(ab)

    then sub ab = 5

    \Rightarrow  2 \log_{5}(5)

    and finish

    Bobak
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