Write the expression as a single log
posted by Alley on .
Write the expression as a single log. Express powers as factors
ln(x/x5) + ln(x+5/x)  ln(x^225)

I am sure you meant to type
ln( x/(x5) ) + ln( (x+5)/x )  ln(x^2  25)
= lnx  ln(x5) + ln(x+5)  lnx  (ln(x+5) + ln(x5)
= ln(x5) + ln(x+5)  ln(x+5)  ln(x5)
= 2ln(x5)