The inverse function of the function y = (e ^ x-e ^ (- x)) / 2 is? It's better to have a detailed solution~~

The inverse function of the function y = (e ^ x-e ^ (- x)) / 2 is? It's better to have a detailed solution~~

Let e ^ x = t
therefore
Y=(t-1/t)/2
t^2-2Yt-1=0
Then we can get t
Then according to
X = LNT gives X