Question

write the following sets in roster form. A1={x,2x+3=11}​

Answer 1

ANSWER:::

(i) 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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