Question

Va rog dau coroana!
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Answer 1

a) AUB={1,3,5,7,2,14}

b) {3,7}

c){2,7,14}

d){3,5}

e){(2,1),(3,1),(7,1)(14,1),(2,3),(2,5),(2,7),(3,3),(3,5),(3,7),(7,3),(7,7),(14,3),(14,5),(14,7)}

f){(1,2),(1,3),(1,7)(1,14),(3,2),(5,2),(7,2),(3,3),(5,3),(7,3),(3,7),(7,7),(3,14),(5,14),(7,14)}