Answer:

E={x:x=3n, where n∈Nand1≤n≤6}

Step-by-step explanation:

E={3×1,3×2,3×2,3×3,3×4,3×5,3×6}.

Thus, in the set -builder form, we write it as

E={x:x=3n, where n ∈ N and 1 ≤ n ≤ 6}

[tex]\huge{Answer}[/tex]

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Rule of Set Builder Notation

E = {x / x is multiple of 3; 3 < x < and so on }

E={3,6,9,12,15...}

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Hope it helps

#reliable answer