Respuesta :

Answer:

The set A = { 1,2,3,4,5,6,7,8,9}

Step-by-step explanation:

Step(i):-

Given that the set

 { x/x/ is a natural number less than 10 }

Natural numbers :

The natural numbers are

          { 1,2,3,4,5,6,7,8,9,10,.........}

The set A =  { x/x/ is a natural number less than 10 }

The set A = { 1,2,3,4,5,6,7,8,9}