Question 1130550
A)

{{{log(2,x)+log(2,y)}}}

={{{log(2,(xy))}}}


B)

{{{log(5,x)-log(5,y)}}}

={{{log(5,(x/y))}}}


C)

{{{4log(6,x)+log(6,y)}}}

={{{log(6,x^4)+log(6,y)}}}

={{{log(6,(x^4*y))}}}

D)

{{{ln(x)+ln(y)-ln(z)}}}

={{{ln(xy/z)}}}