Question

1. Znajdź A' zbioru A= <3,8)

2. Dla zbiorów A= {0,1,2} i C= {2,3,4} znajdź A \cup C i C \ A

Answer 1

1.

A = <3; 8)

A' = R \ A = R \ <3; 8) = (- ∞; 3) u <8; + ∞)

 

2.

A= {0,1,2} i C= {2,3,4}

A u C =  {0,1,2} u {2; 3; 4} = {0; 1; 2; 3; 4}

C \ A = {2; 3; 4} \ {0; 1; 2} = {3; 4}