write as single logirithim

Question

In-In 2

Answer 1

Using quotient rule of logarithms

ln(m/n) = ln(m) – ln(n)

so
ln(1)-ln(2) = ln(1/2)

Answer 2

It's really Natural Logarithm

I would recommend looking at the rules for both Logarithm and Natural Logarithm.

Answer 3

Thank you!!!!