How do you solve #lnx+ln(x+4)=ln5#?
2 Answers
Oct 31, 2016
Use the rule
We can now use the property
However,
The only solution is hence
Hopefully this helps!
Oct 31, 2016
See logarithmic rules .
Factorise:
This means that:
x is equal to 1 as it can't be -5 . This is your answer.