Question

write A={ 1,8,27,64,125} in set builder form

Answer 1

A = {n³ : n is the cube of positive no. and n>/ 125, where n € R }

Answer 2

A = {x: x = n³, n∈N, 1≤n≤5}

• Set-builder notation is defined as a representation or a notation that can be used to describe a set that is defined by a logical formula that simplifies to true for an element of the set.
• This notation can also be used to express sets with an interval or an equation.