Question

Write A={3,9,27,81,} in set builder form

Answer 1

Answer:

A = { 3ⁿ : n €N , n ≤4 }

Explanation :

A = { 3,9,27,81}

= { 3¹,3²,3³,3⁴ }

= { 3ⁿ : n€N , n ≤ 4 }

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