Solve the Problem $y = \frac { 1 } { 2 } \cosh 2 x$

question 69

Multiple Choice

Solve the problem.
-Find the length of the segment of the curve $y = \frac { 1 } { 2 } \cosh 2 x$ from $x = 0$ to $x = \ln \sqrt { 5 }$ .

• A) \(\frac { 13 } { 10 }\)
• B) \(\frac { 6 } { 5 }\)
• C) 5
• D) \(\frac { 1 } { 4 } \left( \sqrt { 5 } - \frac { 1 } { \sqrt { 5 } } \right)\)

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Definitions:

Autobiographical Memory

A type of memory system consisting of episodes recollected from an individual's life, based on a combination of episodic (personal experiences) and semantic (general knowledge and facts) memory.

Personal Identity

An individual's unique sense of self, shaped by personal choices, experiences, and various social factors.

Anterograde Amnesia

A memory disorder that affects the retention of new information and events.

Retrograde Amnesia

Memory loss for a segment of the past but not for new events.