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    Ln4x - does that mean Ln4 times x or Ln of 4x?

    it means natural log of 4x

    xln4= ln4^x

    x has to be before ln if its times by x

    yea, the guy above is correct. Its the ln of 4x. If you were to differentiate it, it would just leave 1/x as the 4 is a constant.

    can you separate ln4x into ln4 + lnx? that's right isn't it?

    yep thats right.
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