Question

E pentru camytza2003

Answer 1

A={0,1,2,3,4,5,6,7}
B={4,5,6,7,8}
a)A-B={0,1,2,3}
b)B-A={8}
c)A-Aintersectat cu B)=A-{4,5,6,,7}={0,1,2,3}|
d)A-(AuB)=A-{0,1,2,3,4,5,6,7,8}=Ф
e)(A-B) u(B-A)={0,1,2,3}u{8}={0,1,2,3,8}
f)(A-B) intersectat(B-A)={0,1,2,3}intersectat{8}=Ф
g)A-Ф={0,1,2,3,4,5,6,7}
h)Ф-B=Ф
i)A-A=Ф