.0357142857 and in fraction form its 1/28
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For starters,

Consider the
th partial sum, denoted by
:

Multiply both sides by
:

Subtract
from this:

Solve for
:


Now as
, the exponential term will converge to 0, since
if
. This leaves us with

Answer:
A. (x + 2)²(x - 2)²
Step-by-step explanation:
x⁴ - 8x² + 16 =
(x² - 4)(x² - 4) =
(x - 2)(x + 2)(x - 2)(x + 2) =
(x - 2)²(x + 2)²