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Question
Write the following set in roster (Tabular) form:
A1 = {x : 2x + 3 = 11}
Solution
A1 = {x : 2x + 3 = 11}
∴ 2x + 3 = 11
⇒ 2x = 11 − 3
⇒ 2x = 8
⇒ x = `8/2`
⇒ x = 4
∴ Given set in roster (Tabular) form is A1 = {4}
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