suspenc3 Messages 400 Reaction score 0 Thread starter Jun 26, 2006 #1 [tex]\int \frac{e^3^x}{e^2^x+3e^x+2}dx[/tex] what should i substitute "u" for?
HallsofIvy Science Advisor Homework Helper Messages 42,895 Reaction score 983 Jun 26, 2006 #2 u= ex would be a good start!