Question

Write the following sets in roster form 

(a) {x ∈ N; x³ < 1000} 

(b) {The set of positive roots of the equation (x² – 4) (x³ – 27) = 0}

Answer 1

(a) A = {1, 2, 3, 4, 5, 6, 7, 8, 9} 

(b) B = {2, 3}