Un=2n²-7n+12. Suku ke 15 ...?
Matematika
Chauhan
Pertanyaan
Un=2n²-7n+12.
Suku ke 15 ...?
Suku ke 15 ...?
1 Jawaban
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1. Jawaban Melya20
Un = 2n² - 7n + 12
U15 = 2(15)² - 7(15) + 12
U15 = 2(225) - 105 + 12
U15 = 450 - 117
U15 = 333