Hasil dari deret aritmatika berikut 1/3 + 1/2 + 2/3 + 5/6 + .... Jika banyak sukunya 11

Kelas 8 Matematika
Bab Barisan dan Deret Bilangan

b = U2 - U1
b = 1/2 - 1/3
b = 3/6 - 2/6
b = 1/6

U11 = a + 10 . b
U11 = 1/3 + 10 . 1/6
U11 = 1/3 + 5/3
U11 = 6/3
U11 = 2

Jawabannya:

Mapel. : Matematika
Bab. : Barisan dan Deret

Pembahasan:

b = U2 - U1
= 1/3 - 1/6
= 3/6 - 2/6
= 1/6

U11 = a + 10 × b
= 1/3 + 10 × 1/6
= 1/3 + 10/6
= 2/6 + 10/6
= 12/6
= 2 → Jwbnya

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