Diketahui barisan1/3,1,3,9,…….suku ke-8 barisan tersebut adalah…???
a = 1/3
r = 1 : 1/3 = 3
U8 = a.r⁷
= 1/3 . (3)⁷
= 3⁶
= 729
Diketahui barisan1/3,1,3,9,…….suku ke-8 barisan tersebut adalah…???
a = 1/3
r = 1 : 1/3 = 3
U8 = a.r⁷
= 1/3 . (3)⁷
= 3⁶
= 729