ZNowu matma

Jak takie cos :

x+1

x-1

zamienic na to:

2
--- +1
x-1

bo wiem,ze to to samo tylko nie wiem jak zamienic. Prosze w jak najwiekszej liczbie krokow, zebym zalapal.

(x+1)/(x-1)
= (x-1+2)/(x-1)
=(x-1)/(x-1)+(2)/(x-1)
=1+(2)/(x-1)
=2/(x-1)+1;