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Question
List the elements of the solution set of the inequation –3 < x – 2 ≤ 9 – 2x; x ∈ N.
Solution
–3 < x – 2 ≤ 9 – 2x
–3 < x – 2 and x – 2 ≤ 9 – 2x
–1 < x and 3x ≤ 11
`-1 < x ≤ 11/3`
Since, x ∈ N
∴ Solution set = {1, 2, 3}
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