Jawabanmu

2014-09-05T19:46:16+07:00
3log9 + 3log81 = 3log 9x81 = 729 = 3log 729 = 3pangkat9
2014-09-05T19:47:28+07:00
= 3log9 + 3log81
= {3log(3.3)} + {3log(3.3.3.3)}
= {3log3 + 3log3} + {3log3 + 3log3 + 3log3 + 3log3}
= {1 + 1} + { 1+1+1+1}
= 2+ 4 = 6