Question

Ex 8 va rog.............. ​

Answer 1

Răspuns:

Explicație pas cu pas:

a.

A={1,2,3,4}

B={2,3}

C={1,2}

b. A∪B={1,2,3,4} A∪C={1,2,3,4} B∪C=[1,2,3}

A∩B=={2,3] A∩C={1,2} B∩C={2}

A\B={1,4} B\A=∅ A\C={3,4} C\A=∅ B\C={3} C\B={1}