
Induksi Matematika
Presentation
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Eka Setiani
Used 1+ times
FREE Resource
34 Slides • 0 Questions
1
Welcome
Students!
2
Let's Get To
Know
3
Matematika Peminatan
Eka Setiani, S.Pd
INDUKSI
MATEMATIKA
4
Apa itu
INDUKSI
MATEMATIKA?
5
6
Induksi matematika adalah suatu
metode untuk membuktikan bahwa
suatu pernyataan tertentu bernilai
benar untuk setiap bilangan asli
7
Induksi matematika hanya digunakan
untuk membuktikan kebenaran dari
sebuah pernyataan atau rumus
8
Apakah benar
1 + 1 = 2
??????????
Mari kita buktikan
9
1 + 1 = 2
10
1 + 1 = 2
11
1 + 1 = 2
Bilangan cacah
12
1 + 1 = 2
Operasi Penjumlahan
Bilangan cacah
13
1 + 1 = 2
Operasi Penjumlahan
Tanda hubung sama
dengan
Bilangan cacah
14
1 + 1 = 2
Operasi Penjumlahan
Tanda hubung sama
dengan
Bilangan cacah
Pembuktian :
15
1 + 1 = 2
Operasi Penjumlahan
Tanda hubung sama
dengan
Bilangan cacah
Pembuktian :
Teorema
16
1 + 1 = 2
Operasi Penjumlahan
Tanda hubung sama
dengan
Bilangan cacah
Pembuktian :
Teorema
Definisi
17
1 + 1 = 2
Operasi Penjumlahan
Tanda hubung sama
dengan
Bilangan cacah
Pembuktian :
Teorema
Definisi
Aksioma
18
langkah pembuktian
19
langkah pembuktian
Sifat Reflektif
Sifat Simetris
Sifat Transitif
a = a
a = b , b = a
a =b, b = c
maka a = c
mendefinisikan
"="
20
langkah pembuktian
0, 1, 2, 3, 4, 5, 6, ....
Sifat Reflektif
Sifat Simetris
Sifat Transitif
a = a
a = b , b = a
a =b, b = c
maka a = c
mendefinisikan
"="
Mendefinisikan
bilangan cacah
Mendefinisikan
"+"
a + 0 = a
a + s(b) = s (a + b)
AKSIOMA PEANO:
1.
2.
21
langkah pembuktian
0, 1, 2, 3, 4, 5, 6, ....
Sifat Reflektif
Sifat Simetris
Sifat Transitif
a = a
a = b , b = a
a =b, b = c
maka a = c
mendefinisikan
"="
Mendefinisikan
bilangan cacah
membuktikan
1 + 1 = 2
S (0) = 1
S (S(0)) = 2
1 + 1 = S (0) + S(0)
= S(S(0) + 0)
= S(S(0))
= 2
Mendefinisikan
"+"
a + 0 = a
a + s(b) = s (a + b)
AKSIOMA PEANO:
1.
2.
22
APAkah kalian pernah
mempelajari materi berikut
saat SMP
23
BARISAN DAN DERET
ARITMATIKA
APAkah kalian pernah
mempelajari materi berikut
saat SMP
24
BARISAN DAN DERET
ARITMATIKA
BARISAN DAN DERET
GEOMETRI
APAkah kalian pernah
mempelajari materi berikut
saat SMP
25
Tunjukkan bahwa P(n) benar, untuk n = 1
Asumsikan P(n) benar untuk n = k
Tunjukkan bahwa P(n) benar untuk n = k + 1
Langkah - langkah induksi matematika:
1.
2.
3.
26
27
28
Subtitusikan nilai n = 1
29
Subtitusikan nilai n = 1
30
Subtitusikan nilai n = 1
Subtitusikan nilai n = k
31
Subtitusikan nilai n = 1
Subtitusikan nilai n = k
32
Subtitusikan nilai n = 1
Subtitusikan nilai n = k
33
contoh soal
34
Presentation by Eka Setiani, S.Pd
thank you
for your attention
Welcome
Students!
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