Question

Diketahui:
s={1,2,3,...,8}
a={1,2,3,5,7}
b={1,3,5,7}
maka n(aΠb)...
a. 8
b. 6
c. 5
d. 4

Answer 1

A irisan b
1,3,5,7(4 anggota)
jdi D.4

Answer 2

S={1,2,3,4,5,6,7,8}
a={1,2,3,5,7}
b={1,3,5,7}

a n b
={1,3,5,7}
n(a n b)=4




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