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Verified answer
Kelas 8 MatematikaBab Barisan dan Deret Bilangan
b = U2 - U1
b = -6 - (-8)
b = -6 + 8
b = 2
Un = a + (n - 1) . b
Un = -8 + (n - 1) . 2
Un = -8 + 2n - 2
Un = 2n - 10
Verified answer
Jawabannya:Mapel. : Matematika
Bab. : Barisan dan Deret Bilangan
Sub Bab : Barisan Bilangan
Pembahasan:
b = -6 - (-8)
b = 2
Maka :
Rumus Suku ke - n :
Un = a + (n - 1). b
Un = -8 + (n - 1). 2
Un = -8 + 2n - 2
Un = 2n - 8 + 2
Un = 2n - 10 → Jwbnya
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