SOLUTION: can you help me solve (e^x - e^(-x))/ (e^x + e^x) = 3. The answer given was ln 2/2 but I can't get that..Thanks

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: can you help me solve (e^x - e^(-x))/ (e^x + e^x) = 3. The answer given was ln 2/2 but I can't get that..Thanks       Log On


   



Question 313840: can you help me solve (e^x - e^(-x))/ (e^x + e^x) = 3. The answer given was
ln 2/2 but I can't get that..Thanks

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(e^x - e^(-x))/ (e^x + e^x) = 3
(e^x - e^(-x))/ 2e^x = 3
e%5Ex+-+e%5E%28-x%29+=+6e%5Ex
5e%5Ex+=+-e%5E%28-x%29
5e%5E%282x%29+=+-1
e%5E%282x%29+=+-0.2
No solution