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Math Help - Logs

  1. #1
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    Logs

    Solve.

    log(x^3)-log(2)=log(2x^2)
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  2. #2
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    Quote Originally Posted by MarkyMark07 View Post
    Solve.

    log(x^3)-log2=log(2x^2)
    two hints ...

    log(a) - log(b) = log(a/b)

    and

    if log(c) = log(d) , then c = d
    Last edited by mr fantastic; October 14th 2009 at 06:41 PM. Reason: No edit - just flagging it's been moved from another thread.
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  3. #3
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    When subtracting logarithms, do you know that log (m) - log (n) = log (m/n)? This is if the bases are the same. Given that the question has not provided you with the bases of the logarithms, you can assume the bases are all the same. Hope that helps!
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