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Question
Given A = {x : –1 < x ≤ 5, x ∈ R} and B = {x : – 4 ≤ x < 3, x ∈ R}
Represent on different number lines:
A' ∩ B
Solution
Numbers which belong to B but do not belong to A = B – A
A' ∩ B = {x : – 4 ≤ x ≤ –1, x ∈ R}
It can be represented on a number line as
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