Use the Definition of a Logarithm to Solve Logarithmic Equations $$\ln 7 + \ln ( x - 1 ) = 0$$

Multiple Choice

Use the Definition of a Logarithm to Solve Logarithmic Equations
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic
expressions. Give the exact answer.
- $$\ln 7 + \ln ( x - 1 ) = 0$$

A) $\left\{ \frac { 8 } { 7 } \right\}$
B) $\left\{ \frac { 7 } { 8 } \right\}$
C) $\{ 1 \}$
D) $\left\{ \frac { 1 } { 7 } \right\}$