Jawabanmu

2014-07-15T17:31:51+07:00
A = 3
ar^5 = 96
3r^5=96
r^5=32
r = 2

Sn = a(r^n-1)/r-1
S6 = 3(2^6-1)/2-1
s6 = 3(64-1)
s6 = 3x63 = 189