Tolong bantu guys mau di kumpul​

Jawaban:

1) 13, 15

2) pola naik : C

3) U10 = 1 + 9(2) = 1 + 18 = 19

4) U10 = 4 + 9(-2) = 4 – 18 = -14

9) U5 = 1/3 x 3^5 = 1/3 x 243 = 81

8) U10 = 2 x (10) – 10² = 20 – 100 = -80

U11 = 2 x (11) – 11² = 22 – 121 = -99

U10 + U11 = -80 + (-99) = -179