Jill has 4 bags of marbles. There are 3red, 5green,2 yellow, and 6black marbles I. Each bag. How many marbles does Jill have? Sh
2 answers:
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Assuming the function is 
, and not 
which would be its own Maclaurin polynomial right away.
Recall the geometric power series,
where
. Replace 
and we have
and so
We want the 4th degree polynomial, so
Recall the geometric power series,
where
and so
We want the 4th degree polynomial, so