Posted by kyle on .
Rewrite as a single logarithm.
5 logb m 6/5 logb n +1/3 logb j  2 logb k

algebra 2 
Reiny,
5 logb m 6/5 logb n +1/3 logb j  2 logb k
= logb m^5  logb n^(6/5) + logb j^(1/3)  logb k^2
= logb (m^4 j^(1/3)/(n^(6/5) k^2) )