Evaluate the Integral $$\int \left( e ^ { x } + e ^ { - x } \right) ^ { 2 } d x$$

question 14

Multiple Choice

Evaluate the integral.
- $$\int \left( e ^ { x } + e ^ { - x } \right) ^ { 2 } d x$$

• A) \(\frac { 1 } { 2 } \left( e ^ { 2 x } + e ^ { - 2 x } \right) + C\)
• B) \(\frac { 1 } { 2 } \left( e ^ { 2 x } - e ^ { - 2 x } \right) + C\)
• C) \(\frac { 1 } { 2 } \left( e ^ { 2 x } + e ^ { - 2 x } \right) + 2 x + C\)
• D) \(\frac { 1 } { 2 } \left( e ^ { 2 x } - e ^ { - 2 x } \right) + 2 x + C\)

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