14]
K = {4 , 6 , 8}
L = {2 , 3 , 5 , 7}
K u L = {2 , 3 , 4 , 5 , 6 , 7 , 8} (B)
15]
P = {2 , 3 , 5 , 7 , 9 , 11}
n(P) = 6
[6C5] + [6C6]
= [6!/(6-5)!5!] + [6!/(6-6)!6!]
= [6!/1!5!] + [6!/0!6!]
= [6×5!/1×5!] + [6!/1×6!]
= [6/1] + [1/1]
= 6 + 1
= 7
jadi banyaknya himpunan dari P yang beranggotakan lebih dari 4 adalah 7 (A)
atau
......1
.....1.1
....1.2.1
...1.3.3.1
..1.4.6.4..1
.1.5.10.10.5.1
1.6.15.20.15.6.1
....|...|.....|....|...|..|
....1..2...3...4..5.6
.......................|..|
.......................----
.........................|anggota lebih dari4
.......................6 + 1 = 7 (A)
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14]
K = {4 , 6 , 8}
L = {2 , 3 , 5 , 7}
K u L = {2 , 3 , 4 , 5 , 6 , 7 , 8} (B)
15]
P = {2 , 3 , 5 , 7 , 9 , 11}
n(P) = 6
[6C5] + [6C6]
= [6!/(6-5)!5!] + [6!/(6-6)!6!]
= [6!/1!5!] + [6!/0!6!]
= [6×5!/1×5!] + [6!/1×6!]
= [6/1] + [1/1]
= 6 + 1
= 7
jadi banyaknya himpunan dari P yang beranggotakan lebih dari 4 adalah 7 (A)
atau
......1
.....1.1
....1.2.1
...1.3.3.1
..1.4.6.4..1
.1.5.10.10.5.1
1.6.15.20.15.6.1
....|...|.....|....|...|..|
....1..2...3...4..5.6
.......................|..|
.......................----
.........................|anggota lebih dari4
.......................6 + 1 = 7 (A)