## Intermediate Algebra for College Students (7th Edition)

To prove: $\ln x+\ln (2x)=\ln (3x)$ Since, $\ln m+\ln n=\ln (mn)$ Thus, $\ln x+\ln (2x)=\ln (2x)(x)$ [L.H.S.] Let us write the correct statement such as: or, $\ln (2x^2)=\ln (3x)$ which is not true. Hence, the given statement is false.