You REALLY must get a grip on your notation.

log

ln

These are both logarithms. There is no need to use "IN" because you think it is something else. Both follow regular logarithm rules.

pie is for eating

pi is for mathematics and Greek spellers.

Having said that, use your log rules. Remember these...

log(a*b) = log(a) + log(b)

log(a/b) = log(a) - log(b)

log(a^b) = b*log(a)

Let's see what you get.