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February 27, 2015

February 27, 2015

Posted by **Alley** on Sunday, April 7, 2013 at 9:20pm.

ln(x/x-5) + ln(x+5/x) - ln(x^2-25)

- Write the expression as a single log -
**Reiny**, Sunday, April 7, 2013 at 10:24pmI am sure you meant to type

ln( x/(x-5) ) + ln( (x+5)/x ) - ln(x^2 - 25)

= lnx - ln(x-5) + ln(x+5) - lnx - (ln(x+5) + ln(x-5)

= -ln(x-5) + ln(x+5) - ln(x+5) - ln(x-5)

= -2ln(x-5)

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