Question

nobody can answer this question

Answer 1

let a=n

[(27) ⅔-(81) ½]ⁿ=0

[(3³) ⅔-(3⁴) ½]ⁿ=0

[3³×⅔-3⁴×½]ⁿ=0

[3²-3²]ⁿ=0

n=1

Answer 2

You are right nobody can answer