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March 25, 2017

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rules of logarithms: can someone please explain how to do these problems?
I understand the rules I just don't understand how they apply

1. e^(3lnx)
2. e^(1+2lnx)

thanks!

  • trig - ,

    the first is a direct result of the "rule" that I showed you in your post from last night. Did you look at it?

    http://www.jiskha.com/display.cgi?id=1233373241

    for the second....
    e^(1+2lnx)
    = (e^1)(e^2lnx) , to multiply powers with the same base, we add the exponents
    = (e^1)(e^lnx^2)
    = e(x^2)

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