Interactive Mock Paper • 99 Questions
The values of x satisfying the equation ∣(x4−4)−(x2+2)∣=∣x4−4∣−∣x2+2∣ are:
(−∞,−3)∪(3,∞)
(−∞,−3)∪[3,∞)
(−∞,−3)∪(3,∞)
(−∞,−3]∪[3,∞)
