Question

Let set A = {6, 8, 10, 12} and set B = {3, 9,15,18}.

Insert the symbol '$ϵ$' or '$\text{/}ϵ$' to make true: 18…….B

Answer 1

Step 1: Inserting the symbol '$ϵ$' or '$\text{/}ϵ$' to 18 ---- B to make true

Given set B = {3, 9, 15, 18}

Since 18 is an element of set B.

Hence, 18 $ϵ$ B.