If |x – 1| > 5, then
Given,
|x – 1| > 5
There are two cases,
(x – 1) > 5
⇒ x > 6
⇒ x ∈ (6, ∞) [1]
And
-(x – 1) > 5
⇒ -x + 1 > 5
⇒ -x > 4
⇒ x < -4 [Multiplication by negative inverts the inequality sign]
⇒ x ∈ (-∞, -4) [2]
From [1] and [2], we get
⇒ x ∈ (-∞, -4) ∪ (6, ∞)
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