Answer:
d o the formula Ltimes W divided by 2
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
Looks like the starting series is

Note the degree of the first few terms in the series, for
, are
, and so on.
So if the series were to start at
, we would need to preserve that pattern, and we do that by replacing
with
:

Simplifying a bit, we end up with

What exactly are we trying to work out here?