Question
Write this expression as a single logarithm
6ln(x+8)+1/8lnx-ln(cosx)
6ln(x+8)+1/8lnx-ln(cosx)
Answers
MathMate
Use the product rule,
ln(a)+ln(b) = ln(ab)
ln(a)-ln(b) = ln(a/b)
Work out the problem and post your answer for a check if you wish.
ln(a)+ln(b) = ln(ab)
ln(a)-ln(b) = ln(a/b)
Work out the problem and post your answer for a check if you wish.
MathMate
Also, see Reiny's answer to your previous post.
http://www.jiskha.com/display.cgi?id=1277479844
http://www.jiskha.com/display.cgi?id=1277479844