Barisan aritmetika
b = U2 - U1 = 128 - 125 = 3
Un = a + ( n - 1 ) b
U19 = 125 + ( 19 - 1 ) 3
U19 = 125 + ( 18 ) 3
U19 = 125 + 54
U19 = 179
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Barisan aritmetika
b = U2 - U1 = 128 - 125 = 3
Un = a + ( n - 1 ) b
U19 = 125 + ( 19 - 1 ) 3
U19 = 125 + ( 18 ) 3
U19 = 125 + 54
U19 = 179