Exponential problem

[IvanCarrie]

when going from here

to here

I can't see how the

becomes

 

[Deleted member 4993]

when going from here

to here

I can't see how the

becomes

(n - 1)/n = 1 - 1/n

When the limit is calculated for n $\displaystyle \to \ \infty$, we get 0 for 1/n