Rewrite the Expression in Terms of Exponentials and Simplify the Results

question 148

Multiple Choice

Rewrite the expression in terms of exponentials and simplify the results.
- $\cosh 9 x - \sinh 9 x$

• A) \(- 9 x\)
• B) \(e ^ { 9 x } - e ^ { - 9 x }\)
• C) \(\mathrm { e } ^ { - 9 \mathrm { x } }\)
• D) \(2 e ^ { - 9 x }\)

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Definitions:

Stereochemical Detail

Information regarding the spatial arrangement of atoms within a molecule and how this affects its chemical behavior.

Necessary Reagents

Chemical substances or mixture of substances required to start or drive a chemical reaction to convert reactants into products.

3,6-dimethylcyclohexene

An organic compound with a six-membered ring structure, having methyl groups attached at the 3rd and 6th positions.

Dry Gaseous HBr

Hydrogen bromide gas that is free from water, often used in organic synthesis as a reagent.