Barisan aritmetika
[tex]un = a + (n - 1)b \\ un = 94 + (n - 1) - 4 \\ un = 94 - 4n + 4 \\ un = 98 - 4n \: (D)[/tex]
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Barisan aritmetika
[tex]un = a + (n - 1)b \\ un = 94 + (n - 1) - 4 \\ un = 94 - 4n + 4 \\ un = 98 - 4n \: (D)[/tex]