Diketahui rumus Un = 5n – 7, berapa suku ke-12 ? By Admin ReiPosted on October 29, 2022 Diketahui rumus Un = 5n – 7, berapa suku ke-12 ? Jawaban: Un = 5n – 7 U12 = 5(12) -7 U12 = 60 – 7 U12 = 53