SOLUTION: If (e^x + e^-x ) / (2) = 1 then find e^x Thanks so much in advance:)

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: If (e^x + e^-x ) / (2) = 1 then find e^x Thanks so much in advance:)      Log On


   

Question 824793: If (e^x + e^-x ) / (2) = 1 then find e^x
Thanks so much in advance:)
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
If %28e%5Ex+%2B+e%5E%28-x%29%29%2F2 = 1
multiply both sides by 2
e%5Ex+%2B+e%5E%28-x%29 = 2
just looking at this, we know x=0
e%5E0 = 1