Question

1, − 1/ 4 , 1 /9 , − 1/ 16 , 1 /25 , · · ·

Answer 1

Step-by-step explanation:

it's algebraic form is (-1)^(n+1) /n^2

so next term is n=6

-1^7 = -1 & 6^2 36

so term is -1/36

1/49

-1/ 64