Question

If a+1/a+1=0 (a is not equal to 0) then (a^4-a) is.......................
a. 0
b. 1
c. 2
d. -1

Answer 1

a) 0

Answer 2

No here i have already told that a must not be equal to 0.

Answer 3

c. 2
that would make a = -1
a^4-a
-1^4-(-1)
1-(-1)
1+1
2

Answer 4

@christ Thnxxx alot man

Answer 5

yw