Question

Enumere os elementos dos conjuntos:

a) X= {x E N | -10 < x < 10}

b) Y= {x E Z | -10 < x < 10}​

Answer 1

a) x {0,1,2,3,4,5,6,7,8,9}

b) y {-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9}