Jawabanmu

2014-03-28T20:07:59+07:00
F = 1/2R
f = 1/2 24
f = 12

1/s + 1/s' = 1/f
1/s' = 1/f-1/s
1/s' = 1/12-1/6
1/s' = 1-2 per 12
s' = 12/-1
s' = -12cm

maaf kalau salah
iya,,salah masukinny
jd 1/12 ya kak
iya
mksh
sama-sama