Question

Se dau mulţimile:
A={x|x € 2,-2 < x <3}; B={x|X E Z*,-3 < x < 5);
Aflaţi: AUB; BNA; B/A; A/B.
Serieti in ordine descrescatoare numerele. ajutatima ​

Answer 1

Răspuns:

A reunit B = { -3,-2,-1,0,1,2, 3,4,5}

A intersectat B = { -2,-1,1,2,3}

B/A= {-3,4,5}

A/B= {0}