Question

evaluate following expression in simplest form
lne^-1
eln^7
e^lnsqrt3
ln(1/e^5)

Answer 1

note that
\[e^x\] and
\[ln(x)\] are inverse functions, so that
\[\ln(e^x)=x,\text{ and } e^{\ln(x)}=x\]

Answer 2

so you should just be able to write down the answers to the first three without thought

Answer 3

got it