Homework Help

1/2(`e^(x)` +`e^(-x)` )+1/2(`e^(x)` -`e^(-x)` /1/2(`e^(x)` +`e^(-x)` )-1/2(`e^(x)`...

user profile pic

sara212 | Student, Undergraduate | Salutatorian

Posted June 19, 2013 at 6:50 AM via web

dislike 0 like

1/2(`e^(x)` +`e^(-x)` )+1/2(`e^(x)` -`e^(-x)` /1/2(`e^(x)` +`e^(-x)` )-1/2(`e^(x)` -`e^(-x)` ) =`e^(2x)`

1 Answer | Add Yours

user profile pic

aruv | High School Teacher | Valedictorian

Posted June 19, 2013 at 7:16 AM (Answer #2)

dislike 1 like

I am answering your question ,though some problem in understanding because of not use of brackets.

You can use following laws of exponents.



`x^m xx x^n=x^(m+n)`




`=e^x xx (1/e^(-x))`

`=e^x xx e^x`





Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes