Write the Expression Using Only the Indicated Logarithms $\log _ { 3 } ( x + y )$

Multiple Choice

Write the expression using only the indicated logarithms.
- $\log _ { 3 } ( x + y )$ using natural logarithms

A) $\ln ( x + y ) + \ln 3$
B) $\frac { \ln 3 } { \ln ( x + y ) }$
C) $\ln ( x + y ) \ln 3$
D) $\frac { \ln ( x + y ) } { \ln 3 }$