Working with Geometric Series
AP Calculus BC · Flashcards
AP CALCULUS BC · FLASHCARDS
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QUESTION
What is the first term
a
a
a
if the series is
a
,
a
r
,
a
r
2
,
.
.
.
a, ar, ar^2, ...
a
,
a
r
,
a
r
2
,
...
?
QUESTION
If
a
=
2
a = 2
a
=
2
and
r
=
1
2
r = \frac{1}{2}
r
=
2
1
, what is the sum of the infinite series?
QUESTION
State the formula for the
n
n
n
-th term of a geometric series.
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ANSWER
a
n
=
a
r
n
−
1
a_n = ar^{n-1}
a
n
=
a
r
n
−
1
. General term formula for geometric sequences.
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