Question

URGENT!!!!!!!!!!!!!!!VA ROGGG!!!!!!!!!!!!!!!!!!! Fie A={3,2,6}
B={1,5}
C={4,7}
a)Scrieti relatiile dintre multimile A,B,C
b)Scrieti elementele care apartin multimii B dar nu apartin multimii C
c)Determinati cardinalele celor 3 multimi

Answer 1

a) A∩B=∅
A∩C=∅
B∩C=∅
b) 1 si 5
c) card A=3
card B=2
card C=2
cardinalul este numarul elementelor multimii

O zi buna!

Answer 2

a) AuB={1,2,3,5,6}
AuC={2,3,4,6,7}
A()B={¢} multimea v.
A()C={¢} multimea v.
A\B={3,2,6}
A\C={3,2,6}
BuC={¢} multimea v.
B()C={¢} multimea v.
B\A={1,5}
B\C={1,5}
b) B={1,5}
C={4,7}
1€B, 1€/(Nu)C
5€B, 5€/(Nu)C
4€C, 4€/(Nu)B
7€C, 7€/(Nu)B
c) Card A = 3 (3,2,4)
Card B = 2 (1,5)
Card C = 2 (4,7)