Infinite Sequences and Series (BC Only)
Which of the following represents a sequence?
1 + 1/2 + 1/3 + 1/4 + ...
2, 4, 6, 8, ...
∑ (1/n) from n=1 to ∞
∫ (1/x) dx from 1 to ∞
Determine the 10th term of the geometric sequence: 2, 6, 18, 54, ...
39366
118098
393660
78732
Identify the type of series and find the sum of the series: 1 + 1/3 + 1/9 + 1/27 + ...
Arithmetic series, sum = 3/2
Geometric series, sum = 3/2
Harmonic series, sum = ∞
Power series, sum = 2
Determine if the series diverges using the nth term test.
The series converges.
The series diverges.
The test is inconclusive.
The series converges to 1.
Explain why the nth term test is inconclusive for the series .
The limit of 1/n as n approaches infinity is non-zero.
The limit of 1/n as n approaches infinity is infinite.
The limit of 1/n as n approaches infinity is 1.
The limit of 1/n as n approaches infinity is zero.
Consider the series . Can the nth term test determine the convergence or divergence of this series?
Yes, the series converges by the nth term test.
Yes, the series diverges by the nth term test.
No, the nth term test is inconclusive.
Yes, the series converges to 0.
Use the Limit Comparison Test to determine the convergence or divergence of the series by comparing it to the series .
The series converges.
The series diverges.
The Limit Comparison Test is inconclusive.
The series converges to 1.

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Determine the convergence or divergence of the series using the Limit Comparison Test.
Converges
Diverges
Inconclusive
Converges conditionally
Determine the convergence or divergence of the series using the Limit Comparison Test.
The series converges.
The series diverges.
The Limit Comparison Test is inconclusive.
The series converges conditionally.
Apply the Direct Comparison Test to the series by comparing it to a known convergent or divergent series.
The series converges because it is smaller than the convergent series .
The series diverges because it is smaller than the divergent series .
The series diverges because it is larger than the divergent series .
The Direct Comparison Test is inconclusive.