Express the Value of the Inverse Hyperbolic Function in Terms $\tanh ^ { - 1 } \left( \frac { 9 } { 10 } \right)$

Multiple Choice

Express the value of the inverse hyperbolic function in terms of natural logarithms.
- $\tanh ^ { - 1 } \left( \frac { 9 } { 10 } \right)$

A) $\frac { 1 } { 2 } \ln 209$
B) $\frac { 1 } { 2 } \ln 1$
C) $\frac { 1 } { 2 } \ln - 19$
D) $\frac { 1 } { 2 } \ln 19$