Jawabanmu

2014-01-28T09:47:52+07:00
R=-1/2 maka
u10=axr pangkat9
u10=128x -1/2 pangkat 9
u10=128x -1/512
u10=-1/4
2014-01-28T10:11:30+07:00
U10 = ar^n-1
u10= 128*(-1/2)^9
u10= -1/4

u15 = ar^n-1
u15= 128*(-1/2)^14
u15= 1/128