Question

Diketahui A= {x I 4 kurang dari sama dengan x kurandari sama dengan 10, x bilangan asli }
B= {x I 7 < x < 13, x bilangan cacah }
A U B. adalah.....

Answer 1

A= {4,5,6,7,8,9,10}
B= {8,9,10,11,12}

A U B= {4,5,6,7,8,9,10,11,12}

Answer 2

A=4,5,6,7,8,9,10
B=8,9,10

A U B = 8,9,10