Jawabanmu

2014-04-21T21:50:46+07:00
Aku udh ketemu jawabannya .. pakai cara/ enggk ?
a. 5 cm
b. 0,25
Jawaban paling cerdas!
2014-04-21T21:54:39+07:00
1/f = 1/s + 1/s' 1/4 = 1/20 + 1/s' 1/4 - 1/20 = 1/s' 1/5 = 1/s' s' = 5 M = |s'/s| = 5/20 = 1/4 = 4 … Gk tw salah tw bnt nya ya
1 5 1