Question

Jika 2log3=a dan 3log5=b berapa kah nilai 6log15=.......
tolong bantuin yh :)

Answer 1

2log3 = a dan 3log5 = b
6log15 = 3log15/3log6
6log15 = 3log3 +3log5/3log 3+3log 2
6log15 = 1+b/1+1/a
6log15 = (1+b).a/a+1
6log15 = a+ab/a+1