hello
I have this one:
\sum_{n=1}^{\infty} \left( 1 - \sqrt[n]{n} \right)
mmmmm am sure it will be tested by using one of the comparison tests
but am not getting it
any help?
this is not my homework, actually I finished my college 2 years ago.
Inverse function (Edited)
Homework Statement
Find the inverse function of :
f(x)=e^x-e^{-x}+2 where x \geq 0
Homework Equations
All what I did is :
y=e^x-e^{-x}+e
The Attempt at a Solution
How in earth can I solve this for x ?