Find the Area of the Surface Obtained by Revolving the Given

question 36

Multiple Choice

Find the area of the surface obtained by revolving the given curve about the $x$ -axis.
$$y = \frac { e ^ { x } + e ^ { - x } } { 2 } \text { on } [ 0 , \ln 3 ]$$

• A) \(\pi \ln 3\)
• B) \(\pi \left( \frac { 20 } { 9 } + \ln 3 \right)\)
• C) \(\frac { 20 } { 9 } \pi\)
• D) \(\frac { \pi } { 3 } \left( \frac { 20 } { 9 } + \ln 3 \right)\)

---

Definitions:

Infectious Agents

Microorganisms or pathogens that cause diseases or infections in humans, animals, or plants, including bacteria, viruses, fungi, and parasites.

Post-traumatic Growth

A positive psychological change experienced as a result of the struggle with highly challenging life circumstances.

Psychological Functioning

The efficiency and health of cognitive, emotional, and behavioral aspects of an individual's mental state.

Traumatic Event

An incident that causes psychological, emotional, or physical harm, leading to lasting effects on an individual's well-being.