
MATERI SMP-SMA
Presentation
•
Mathematics
•
10th Grade
•
Hard
Among Sunandi
Used 2+ times
FREE Resource
30 Slides • 0 Questions
1
Kongruensi
2
1. Relasi Ekivalen
2.Kongruensi Linear
3. Kongruensi Tingkat Tinggi
2
Definisi 1 :
Contoh soal :
3
3
Definisi 2 :
4
4
Definisi 3 :
5
Himpunan bilangan bulat (r1, r2, r3, ..., rn) disebut sistem residu
lengkap modulo m bila dan hanya bila setiap elemennya kongruen
modulo m dengan satu dan hanya satu dari 0, 1, 2, ......,(m-1).
Contoh soal :
Himpunan {45, -9, 12, -22, 24} adalah suatu system residu
lengkap modulo 5.
5
Jadi terbukti bahwa {45, -9, 12, -22, 24} merupakan
himpunan sistem residu lengkap dari modulo 5.
6
Penyelesaian :
Dapat diperiksa bahwa :
6
Relasi ekivalen
1
7
Suatu relasi r di namakan relasi ekivalen atas himpunan s jika untuk setiap a, b, dan c unsur di s berlaku :
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8
Contoh soal :
9
9
10
10
11
Penyelesaian :
12
12
Kongruensi linear
2
13
Definisi
Kalimat terbuka yg menggunakan relasi kekongruenan.
Dimana suatu perkongruenan yg memiliki variabel
berpangkat paling tinggi satu.
14
14
Teorema 1
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16
16
Contoh soal :
17
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18
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Teorema 2
19
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20
Contoh soal :
21
21
22
22
23
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24
24
Kongruensi tingkat tinggi
25
>Kongruensi kuadrat
26
Contoh :
Carilah akar kuadrat dari 24 modulo
101
26
Penyelesaian :
27
27
>kongruensi polinom bilangan bulat
28
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Contoh :
29
Kongruensi diatas dinamakan kongruensi identik.
Yang bukan kongruensi identik dinamakan
kongruensi kondisional.
29
Contoh kongruruensi kondisional
30
30
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31
Kongruensi
2
1. Relasi Ekivalen
2.Kongruensi Linear
3. Kongruensi Tingkat Tinggi
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