Question

Diketahui barisan bilangan 6,9,12,15,18,....suku ke-37 barisan tersebut adalah..

Answer 1

Awal = 6
beda = 3

Un = a + (n - 1)b
U37 = a + 36b
= 6 + 36(3)
= 6 + 108
= 114

Answer 2

6, 9, 12, 15, 18 » beda 3

Un = a + (n-1) b
U37 = 6 + (37 - 1) 3
= 6 + 36.3
= 6 + 108
= 114

Semoga membantu :D