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Math Help - basic log question

  1. #1
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    basic log question

    hey guys i needed help on how to do this question?

    1. 3log(10^-2)

    2. log4^(log9^(3))
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  2. #2
    MHF Contributor
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    1.
    use \log(a^b) = b\log(a)


    2.
    same again (but do it multiple times)

    you might also want to remember
    a^{bc} = (a^b)^c
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  3. #3
    Super Member
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    needing help

    Quote Originally Posted by Cockchestner007 View Post
    hey guys i needed help on how to do this question?

    1. 3log(10^-2)

    2. log4^(log9^(3))
    Hi needing help. What did you try? Follow the log rules.


    bjh
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