Question 465374
ln 1 - ln 3 is actually ln 1/3 (the property is ln a - ln b = ln (a/b)). Also, there is no real solution x such that e^x = -2, because e^x is always positive for real x.


Update: Remember ln 1 - ln 3 = ln 1/3. Since ln 1 = 0, we have -ln 3 = ln 1/3.