Answer:
1
--------------
y-1
with the restriction y cannot equal -1
Step-by-step explanation:
y+1
--------------
y^1 -1
Noticing that the denominator is the difference of squares and factoring
y+1
--------------
(y+1)(y-1)
Canceling like terms
1
--------------
y-1
with the restriction y cannot equal -1
