Question

Diketahui n(A)=35, n(B)=29, dan n( A gabungan B )= 50, maka n(A irisan B) =.
a. 20
b. 8
c. 14
d. 10
pakek cra yha maksi

Answer 1

N (A gabung B) = n(A) + n(B) - n(A iris B)
50 = 35 + 29 - n(A iris B)
50 = 64 - n(A iris B)
-14 = -n(A iris B)
14 = n (A iris B)