Question

c) 2) Fie A=(3, 1, 0, 5); B- (1, 2, 0); C-(2, 1, 3, 5). Aflaţi: a) AUB; BUC; AUC; AUBUC; b) AnB; BnC; AnC; AnBnC; c) AU(BOC); An(BUC); (ØnA)UB; Ch(AUD).
va rog repede dau coroana ​

Answer 1

Răspuns:

a) AUB={0,1,2,3,5}

BUC={0,1,2,3,5}

AUC={0,1,3,5,2}

AUBUC={0,1,2,3,5}

b) AnB={0,1}

BnC={1,2}

AnC={3,1,5}

AnBnC={1}

c) AU(BUC)=AU{0,1,2,3,5}={0,1,2,3,5}

An(BUC)=An{0,1,2,3,5}={0,1,3,5}

(CnA)UB={3,1,5}UB={0,1,2,3,5}

Cn(AUB)=Cn{0,1,2,3,5}={2,1,3,5}