RumusUn=Un−1+Un−2Jawab:−5, 2, −3, −1, −4, −5, −9, −14, −23, −37Penjelasan dengan langkah-langkah:a. –5, 2 Suku 1: –5 Suku 2: 2 Suku 3: –5 + 2 = –3 Suku 4: 2 + (–3) = –1 Suku 5: –3 + (–1) = –4 Suku 6: –1 + (–4) = –5 Suku 7: –4 + (–5) = –9 Suku 8: –5 + (–9) = –14 Suku 9: –9 + (–14) = –23 Suku 10: –14 + (–23) = –37