What is the root sign e of LN? Ln times the root e,

ln√e=ln e^(1/2)=(1/2)ln e=1/2

Let LN2 = a, Ln3 = B find out how much 1,8 is equal to under the root sign of LN, expressed by ab

A:
a=ln2,b=ln3
ln√(18)
=(1/2)ln18
=(1/2)ln(2*3*3)
=(1/2)(ln2+2ln3)
=(a+2b)/2
=b+a/2

Right. Fixed, LN is log with E as the base