Question

determinati multimile A si B stind ca sunt indeplinite simultan conditile

a) AuB egal { a b c d e}

b) A | B egal {a b}

c) A u intors B egal {c d}

Answer 1

A={a,b,c,d}
B={c,d,e}

Answer 2

A=(a,b,c,d),B={c,d,e}