Write the First Four Terms of the Sequence Whose General $$\mathrm { a } _ { \mathrm { n } } = \frac { ( - 1 ) ^ { \mathrm { n } + 1 } } { \mathrm { n } + 8 }$$

question 71

Multiple Choice

Write the first four terms of the sequence whose general term is given.
- $$\mathrm { a } _ { \mathrm { n } } = \frac { ( - 1 ) ^ { \mathrm { n } + 1 } } { \mathrm { n } + 8 }$$

• A) \(- \frac { 1 } { 10 } , \frac { 1 } { 11 } , - \frac { 1 } { 12 } , \frac { 1 } { 13 }\)
• B) \(\frac { 1 } { 9 } , - \frac { 1 } { 20 } , \frac { 1 } { 33 } , - \frac { 1 } { 48 }\)
• C) \(- \frac { 1 } { 9 } , \frac { 1 } { 10 } , - \frac { 1 } { 11 } , \frac { 1 } { 12 }\)
• D) \(\frac { 1 } { 9 } , - \frac { 1 } { 10 } , \frac { 1 } { 11 } , - \frac { 1 } { 12 }\)

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Definitions:

Constant Pressure

A condition or process in which the pressure remains unchanged over time.

Equilibrium

A state in which opposing forces or influences are balanced, often referring to chemical reactions reaching a state where the rates of the forward and reverse reactions are equal.

Products

The substances that result from a chemical reaction.

Reactants

Materials that exist at the beginning of a chemical reaction and are used up to produce end products.