Question

5. If llog(x-1)(x + 1) = 1, how many values can
x take?
(A) O
(B) 1
(C) 3 (D) 2.​

Answer 1

Answer:

0(A) is the correct one because (x-1)(x+1)=1

x is replaced with 0

(0-1)=1;(0+1)=1

we have to multiple 1×1=1