Jika 2 log 3= p Dan 2 log 5= q maka nilai 6 log 15 adalah ​

Jawaban:

15log 6

= 3log 6/3log 15

= 3log (2.3)/3log (3.5)

= (3log 2+3log 3)/(3log 3+3log 5)

= (p+1)/(1+q)

= (p+1)/(q+1)