Penjelasan dengan langkah-langkah:
1) a = U1 = 3
b = U2 - U1 = 7-3 = 4
jawaban : C
2) a = 3
b = 8-3 = 5
Un = a + (n-1)b
= 3 + (n-1)5
= 3 + 5n - 5
= 5n - 2
jawaban : D
semoga membantu
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Penjelasan dengan langkah-langkah:
1) a = U1 = 3
b = U2 - U1 = 7-3 = 4
jawaban : C
2) a = 3
b = 8-3 = 5
Un = a + (n-1)b
= 3 + (n-1)5
= 3 + 5n - 5
= 5n - 2
jawaban : D
semoga membantu