- Berapa rasio pada barisan tersebut?
Un = arn-1
Maka, suku ke-10 = U10 = ... ... ... ... ...
Jawaban:
r = 32/64 = ½
Un = arn-1
U10 = 64 (1/2)9-1
U10 = 26 (1/2)8
U10 = 26 (1/28)
U10 = 26 (1/26.22)
U10 = (1/22)
- Berapa rasio pada barisan tersebut?
Un = arn-1
Maka, suku ke-10 = U10 = ... ... ... ... ...
Jawaban:
r = 32/64 = ½
Un = arn-1
U10 = 64 (1/2)9-1
U10 = 26 (1/2)8
U10 = 26 (1/28)
U10 = 26 (1/26.22)
U10 = (1/22)