Jawabanmu

2014-06-03T13:03:06+07:00
Pake rumus aja 1/f = 1/s + 1/s'
2014-06-03T13:26:14+07:00
1/f = 1/s + 1/s'
-1/8 = 1/4 + 1/s'
-1/8 - 1/4 = 1/s'
-1/8 - 2/8 = 1/s'
-3/8 = 1/s'
s' = -2,66 cm