Evaluate the Integral $\int \tanh \left( \frac { x } { 2 } \right) d x$

question 134

Multiple Choice

Evaluate the integral.
- $\int \tanh \left( \frac { x } { 2 } \right) d x$

• A) \(2 \operatorname { sech } ^ { 2 } \frac { x } { 2 } + C\)
• B) \(2 \ln \left( \sinh \frac { x } { 2 } \right) + C\)
• C) \(\ln \left( \operatorname { coth } \frac { x } { 2 } \right) + C\)
• D) \(2 \ln \left( \cosh \frac { x } { 2 } \right) + C\)

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