How do you write ln(x^2-3x-40)-1n(x-8)ln(x2−3x−40)−1n(x−8) as a single logarithm?
1 Answer
Feb 12, 2015
Remember than
But now we do this the other way around:
We can factorise the top part:
Cancel out the
Answer:
Extra :
Domain :
(or else the original