Question

5.d{2,3,...,7}
e{5,6,...9}
f{4,5,...,8}

tentukan D U E U F
D ^ E U F

Answer 1

D U E = { 2,3,4,5,6,7,8,9 }
F U D = { 2,3,4,5,6,7,8 }
E U F = { 4,5,6,7,8,9,}