Hodges Edwards
07/04/2024 · Junior High School

1. Tulislah anggota himpunan-himpunan berikut ke dalam notasi himpunan! a. A adalah 5 jenis software under window b. \( B=\{x \mid x \leq 20, x \) bilangan prima \( \} \) c. \( C \) adalah himpunan mata kuliah semester 3 2. Diketahui 3 buah himpunan sebagai berikut: A \( =\{ \) Win 3.1, Win 3.11, Win 95, Win 97\( \} \) B \( =\{ \) Win 97, Win 98, Win \( 98 S E \), WinME \( \} \) C \( =\{ \) WinME, Win 2000, WinXP \( \} \) Tentukanlah hasil dari: a. \( (A \cup B)-B \) b. \( (A \oplus B)-C \) c. \( (C-B) \cap A \)

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1. Berikut adalah notasi himpunan untuk anggota-anggota yang diminta: a. A adalah 5 jenis software under Windows: \[ A = \{ \text{Win 3.1, Win 3.11, Win 95, Win 97, Win 98} \} \] b. Himpunan B yang berisi bilangan prima kurang dari atau sama dengan 20: \[ B = \{ 2, 3, 5, 7, 11, 13, 17, 19 \} \] c. Himpunan C yang berisi mata kuliah semester 3 (misalnya): \[ C = \{ \text{Matematika, Fisika, Kimia, Pemrograman, Jaringan} \} \] *(Catatan: Nama mata kuliah dapat disesuaikan dengan kurikulum yang berlaku.)* 2. Diketahui himpunan-himpunan sebagai berikut: - \( A = \{ \text{Win 3.1, Win 3.11, Win 95, Win 97} \} \) - \( B = \{ \text{Win 97, Win 98, Win 98 SE, Win ME} \} \) - \( C = \{ \text{Win ME, Win 2000, Win XP} \} \) Mari kita tentukan hasil dari operasi himpunan yang diminta: a. \( (A \cup B) - B \): \[ A \cup B = \{ \text{Win 3.1, Win 3.11, Win 95, Win 97, Win 98, Win 98 SE, Win ME} \} \] \[ (A \cup B) - B = \{ \text{Win 3.1, Win 3.11, Win 95} \} \] b. \( (A \oplus B) - C \) (simetris): \[ A \oplus B = (A - B) \cup (B - A) \] \[ A - B = \{ \text{Win 3.1, Win 3.11, Win 95} \} \] \[ B - A = \{ \text{Win 98, Win 98 SE, Win ME} \} \] \[ A \oplus B = \{ \text{Win 3.1, Win 3.11, Win 95, Win 98, Win 98 SE, Win ME} \} \] Kemudian, kita kurangi dengan C: \[ (A \oplus B) - C = \{ \text{Win 3.1, Win 3.11, Win 95, Win 98, Win 98 SE} \} \] c. \( (C - B) \cap A \): \[ C - B = \{ \text{Win 2000, Win XP} \} \] \[ (C - B) \cap A = \{ \} \quad \text{(karena tidak ada elemen yang sama antara C - B dan A)} \] Jadi, hasil dari operasi himpunan adalah: - a. \( \{ \text{Win 3.1, Win 3.11, Win 95} \} \) - b. \( \{ \text{Win 3.1, Win 3.11, Win 95, Win 98, Win 98 SE} \} \) - c. \( \{ \} \) (himpunan kosong)

Quick Answer

1. a. \( A = \{ \text{Win 3.1, Win 3.11, Win 95, Win 97, Win 98} \} \) b. \( B = \{ 2, 3, 5, 7, 11, 13, 17, 19 \} \) c. \( C = \{ \text{Matematika, Fisika, Kimia, Pemrograman, Jaringan} \} \) 2. a. \( \{ \text{Win 3.1, Win 3.11, Win 95} \} \) b. \( \{ \text{Win 3.1, Win 3.11, Win 95, Win 98, Win 98 SE} \} \) c. \( \{ \} \)
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