Question 172983
4 Ln (sqrt x^3)- 5 Ln (5th root y^4)
4 Ln (x^(3/2))- 5 Ln (y^(4/5))
Ln [(x^(3/2))^4]- Ln [(y^(4/5))^5]
Ln [x^(12/2)]- Ln [y^(20/5)]
Ln [x^6]- Ln [y^4]
Ln [x^6/y^4]