1. if lnx+ln(x-6) = ln3x then x= ???? 2. if ln(4x+2)=5 then x= ???
Follow Math Help Forum on Facebook and Google+
Hi for the first one use the following properties : ln(a)+ln(b)=ln(ab) if ln(a)=ln(b) then a=b So here x(x-6)=3x For the second one, if ln(a)=b, then a=e^b (if it's natural logarithm) -> 4x+2=e^5
Originally Posted by phil S 1. if lnx+ln(x-6) = ln3x then x= ???? now what? can you continue? 2. if ln(4x+2)=5 then x= ??? i think you can take it from here
View Tag Cloud