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) $\frac { 1 } { 9 } , - \frac { 1 } { 10 } , \frac { 1 } { 11 } , - \frac { 1 } { 12 }$

Question

Quizplus · Accepted Answer

The Answer is D

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

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