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    trickticklertin's Avatar
    trickticklertin Posts: 1, Reputation: 1
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    #1

    Mar 22, 2007, 08:56 PM
    how do you do this?
    Ln(4x+1)=Ln(2x+5)
    asterisk_man's Avatar
    asterisk_man Posts: 476, Reputation: 32
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    #2

    Mar 23, 2007, 05:56 AM
    use the identity:


    so make both sides the exponent of e

    then use the identity listed above

    then I'm sure you can do it from there.

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