Jawabanmu

2014-09-07T07:21:16+07:00
2log25 = x
alog b = c
b = x^2
25 = x^2
x = akar 25
x = 5
lihat sifat sifat logaritma
2014-09-07T07:23:01+07:00
2 karena 2 log 25= 2 log 5² ~a log a pangakt n = n