2log3 = a , 5log2=b, nilai 6log30=...?

log 30 / log 2
= ^5log (2x3x5) / ^5 log 2
= ^5 log2 + ^5 log 3 + ^5 log 5 / ^5 log 2
= (b+ab+1) / b
= b (a+1) / b

Materi : logaritma
kelas : X

^a log b = ^n log b/^n log a

^6 log 30 = ^5 log 30/^5 log 6
                 = ^5 log (2x3x5)/^5 log 6
                 = ^5 log 2 + ^5 log 3 + ^5 log 5/^5 log 6
                 = b+ab+1/^5 log 6