Barisan aritmetika
[tex]un = a + (n - 1)b \\ u50 = 94 + (50 - 1) - 4 \\ u50 = 94 - 196 \\ u50 = - 102 \: (B)[/tex]
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Barisan aritmetika
[tex]un = a + (n - 1)b \\ u50 = 94 + (50 - 1) - 4 \\ u50 = 94 - 196 \\ u50 = - 102 \: (B)[/tex]