tentukan hasil logaritma berikut 5log 10+5log 15-5log 2+5log 1/3

= ^5log10 + ^5log15 - (^5log2 - ^5log3^-1)
= ^5log(10*15) - (^5log2 + ^5log3)
= ^5log150 - ^5log6
= ^5log(150/6)
= ^5log25
= 2