Un=2n²-7n+12.
Suku ke 15 …?
Jawaban Terkonfirmasi
Un = 2n² – 7n + 12
U15 = 2(15)² – 7(15) + 12
U15 = 2(225) – 105 + 12
U15 = 450 – 117
U15 = 333
Un=2n²-7n+12.
Suku ke 15 …?
Un = 2n² – 7n + 12
U15 = 2(15)² – 7(15) + 12
U15 = 2(225) – 105 + 12
U15 = 450 – 117
U15 = 333