Question

Tolong kak ,bantuin ya

Answer 1

^5 log 3 = a
^3 log 4 = b

^4 log 15 = ..

^5 log 3 x ^3 log 4 = ^5 log 4 = ab

^4 log 15 = log 15 per log 4
= ^5 log 15 per ^5 log 4
= (^5 log 3 + ^5 log 5) per ^5 log 4
= (a+1) per ab