Jawabanmu

2014-02-15T18:47:59+07:00
2log5=b , 5log2= 1/b , berarti a/b = 5log2 x 2log5= a/b 2log45= 5log45/5log2 = 5log(3.3.5)/1/b = (5log3+5log3+5log5)b = ( a/b + a/b + 1)b = (2a/b + 1)b = 2a + b
2014-02-15T19:05:01+07:00