Question

ayuda xd
Si: A={2,3,5,7,11} y B={1,3,5,7,9} . Hallar A∆B
A){3,5,7} B){1,2,9,11} C){2,3,7,9} D){1,3,9,11}
Si J={2,4,6,8,10,12,14,16} y P={4,5,6,7,8,9,10,11} Halla(∩)
A){5,7,9,11} B){2,12,14,16} C){2,5,7,9,11,12,14,16} D){4,8,6,10}
Si n(A) = 12, n(B) = 15 y n(AUB) = 20, hallar n(A∩B)
A)6 B)7 C)8 D)9
Si: n(A∪B)=17 ;n(A∩B)=12 ; Hallar n(A∆B)
A)19 B)8 C)7 D)5

Answer 1

Respuesta:

Explicación paso a paso:

5/8 porque si sumas 5+3 te da 8