Question

Can you explain how:

ln(x^5)-ln[(1-10x)√(x^2 +2)] = ln(x^5)-ln(1-10x) - ln√(x^2 +2)

Thanks

Answer 1

ln(AB)=ln(A)+ln(B)

does that explain?

Answer 2

Ah, seems obvious now. I was just worried about the sign but I can see that the minus carries over. Thanks