Question

Log question attached

Answer 1

\[\ln e^x = x\]

Answer 2

ln and e cancel each other out \[\ln e^2=2\]\[\ln e^3 =3\]

Answer 3

whatever you do to one side of the equation do the same thing to other side of that equation.
So if you take ln to the left side of the equation to cancel out e
take ln to other side of that equation

Answer 4

Thank you