Jawabanmu

2014-02-02T14:35:13+07:00
R= 2/1 = 2

S12 = a(r^n-1)/r-1
S12 = 1(2^12 -1)/2-1= 2^12 -1 =4096-1=4095
2014-02-02T14:47:45+07:00
1+2+4+7+11+16+22+29+37+46+56+67= 298