Respuesta :

ObadaYos

a)

n(A U B) = n(A) + n(B) - n(A inverseU B)

n(A U B)= 50 + 62 - 26 = 86

b)

n(P)=23

n(Q)=25

P follow Q

so the P is inside Q

that means the n(P U Q) equal to 25

have a great day

Otras preguntas