Operasi Himpunan

MathematicsSet TheoryMedium

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2. Diketahui himpunan berikut :

$S = \{1,2,3,4,5,6,7,8,9,10\}$

$A = \{2,4,6,8\}$

$B = \{2,6,10\}$

$C = \{3,4,6,9\}$

Tentukan hasil operasi himpunan berikut :

a. $\overline{A} \cup B$

b. $\overline{A \cup B}$

c. $\overline{B} \cup (A \cup C)$

d. $A \cap \overline{B}$

e. $\overline{B \cap C}$

f. $\overline{A} \cap (A \cap \overline{C})$

g. $A - \overline{B}$

h. $\overline{C - B}$

i. $\overline{A} - (A - \overline{B})$

Animated Video Solution

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Step by Step Written Solution

1
Step 1

Halo semuanya! Mari kita kerjakan soal operasi himpunan ini. Diketahui himpunan semesta S serta himpunan A, B, dan C. Kita akan bahas poin demi poin secara bertahap.

Operasi Himpunan

2
Step 2

Pertama, mari kita catat dulu himpunan yang diketahui agar lebih mudah dilihat.

$$S = \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}$$
$$A = \{2, 4, 6, 8\}$$
$$B = \{2, 6, 10\}$$
$$C = \{3, 4, 6, 9\}$$
3
Step 3

Kita mulai dengan bagian a, yaitu komplemen A gabung B. Komplemen A artinya anggota S yang bukan anggota A.

Bagian A

$$A = \{2, 4, 6, 8\}$$
$$S = \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}$$
4
Step 4

Maka, komplemen A adalah satu, tiga, lima, tujuh, sembilan, dan sepuluh. Kemudian kita gabungkan dengan B.

$$\bar{A} = \{1, 3, 5, 7, 9, 10\}$$
$$B = \{2, 6, 10\}$$
$$\bar{A} \cup B = \{1, 2, 3, 5, 6, 7, 9, 10\}$$
5
Step 5

Lanjut ke bagian b, yaitu komplemen dari gabungan A dan B. Kita cari dulu gabungan A dan B.

Bagian B

$$A \cup B = \{2, 4, 6, 8, 10\}$$
6
Step 6

Komplemennya adalah sisa anggota di semesta S. Jadi hasilnya adalah satu, tiga, lima, tujuh, dan sembilan.

$$\overline{A \cup B} = \{1, 3, 5, 7, 9\}$$
7
Step 7

Untuk bagian d, kita cari irisan A dengan komplemen B. Cari dulu komplemen B.

Bagian D

$$B = \{2, 6, 10\}$$
$$\bar{B} = \{1, 3, 4, 5, 7, 8, 9\}$$

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About This Question

Subject
Mathematics
Topic
Set Theory
Difficulty
Medium
Question Type
Open Ended

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