Book: RD Sharma - Mathematics
Chapter: 15. Linear Inequations
Subject: Maths - Class 11th
Q. No. 10 of Very Short Answer
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10
Write the solution set of the inequation 
.
|x – 1| ≥ |x – 3|
Squaring both sides
|x – 1|2 ≥ |x – 3|2
(x – 1)2 ≥ (x – 3)2
x2 – 2x + 1 ≥ x2 – 6x + 9
4x – 8 ≥ 0
x ≥ 2
x ∈ [2, ∞)
