Mathematics

Determine the value of x for which (x(^2) – 1) > 0

Determine the value of x for which (x(^2) – 1) > 0

  • A.
    x 1
  • B.
    -1
  • C.
    x > 0
  • D.
    x
Correct Answer: Option A
Explanation

x(^2) > 0
(x+1)(x-1) > 0
x > 1 or -1 > x
x < -1 or x > 1