Question

escreva entre Chaves os elementos dos conjuntos :
a)A={×£IN|×>4}
b)B={×£in|×<3}
c)C={×£in|0<×<10}
d)D={×£in|2<×<7}

Answer 1

$A=\{x\in\mathbb{N}\ |\ x\ \textgreater \ 4\} \\ A=\{5,6,7,8,9,10,11, ...\} \\ \\ B=\{x\in\mathbb{N}\ |\ x\ \textless \ 3\} \\ B=\{0,1,2\} \\ \\ C=\{x\in\mathbb{N}\ |\ 0\ \textless \ x\ \textless \ 10\} \\ C=\{1,2,3,4,5,6,7,8,9\} \\ \\ D=\{x\in\mathbb{N}\ |\ 2\ \textless \ x\ \textless \ 7\} \\ D=\{3,4,5,6\}$