A anonymous New member May 1, 2010 #1 Need help don't understand this. How do you express this as a single logarithm?: logx+log(x^2-81)-log4-log(x-9) Thank you.
Need help don't understand this. How do you express this as a single logarithm?: logx+log(x^2-81)-log4-log(x-9) Thank you.
