Write the first four terms of the sequence whose general term is given.
-$$a _ { n } = \frac { 4 } { n ^ { 2 } }$$
A) $1 , \frac { 2 } { 4 } , \frac { 3 } { 9 } , \frac { 4 } { 16 }$
B) $\frac { 4 } { 4 } , \frac { 4 } { 9 } , \frac { 4 } { 16 } , \frac { 4 } { 25 }$
C) $1 , \frac { 1 } { 4 } , \frac { 1 } { 9 } , \frac { 1 } { 16 }$
D) $4 , \frac { 4 } { 4 } , \frac { 4 } { 9 } , \frac { 4 } { 16 }$

Question

Quizplus · Accepted Answer

The general term of the sequence is $a_n = \frac{4}{n^2}$. Substituting $n = 1, 2, 3, 4$ into the formula gives the first four terms as $4, \frac{4}{4}, \frac{4}{9}, \frac{4}{16}$, respectively.

Write the First Four Terms of the Sequence Whose General an=4n2a _ { n } = \frac { 4 } { n ^ { 2 } }an​=n24​

Write the First Four Terms of the Sequence Whose General $a _ { n } = \frac { 4 } { n ^ { 2 } }$