Question

Write the following set in roster (Tabular) form:

A₁ = {x : 2x + 3 = 11}

Answer 1

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}