Solved

Rewrite the Expression in Terms of Exponentials and Simplify the Results

Question 150

Multiple Choice

Rewrite the expression in terms of exponentials and simplify the results.
- $\ln ( \cosh 5 x - \sinh 5 x ) + \ln ( \cosh 8 x + \sinh 8 x )$

A) 3
B) $\ln \left( e ^ { 8 x } - e ^ { - 5 x } \right)$
C) $13 x$
D) $3 x$

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