Question

Se considera multimile A={a,b,c,d,e} si B={a,b,d,t}. Determinati:
a)A ∪ B
b)A ∩ B
c)A - B
d)B - A
e)A ∪ ∅
f)B ∩ ∅
g)B - ∅
h)∅ - A

Va rog repede

Answer 1

a)A ∪ B ={a,b,c,d,e,t}

b)A ∩ B ={a,b,d}

c)A - B ={c,e}

d)B - A= {t}

e)A ∪ ∅ ={a,b,c,d,e}

f)B ∩ ∅ =∅

g)B - ∅ ={a,b,d,t}

h)∅ - A=∅