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Use the nth-term test for divergence to show that the series is divergent, or state that the test is inconclusive. ∑ n = 1 ∞ cos ⁡ 11 n Choose the correct answer below. A. The test is inconclusive because lim n → ∞ cos ⁡ 11 n = ◻. B. The series diverges because lim n → ∞ cos ⁡ 11 n = ∞ and fails to exist. C. The series diverges because lim n → ∞ cos ⁡ 11 n exists and is equal to ◻. D. The series diverges because lim n → ∞ cos ⁡ 11 n = − ∞ and fails to exist.

Use the nth-term test for divergence to show that the series is divergent, or state that the test is inconclusive. ∑ n = 1 ∞ cos ⁡ 11 n Choose the correct answer below. A. The test is inconclusive because lim n → ∞ cos ⁡ 11 n = ◻. B. The series diverges because lim n → ∞ cos ⁡ 11 n = ∞ and fails to exist. C. The series diverges because lim n → ∞ cos ⁡ 11 n exists and is equal to ◻. D. The series diverges because lim n → ∞ cos ⁡ 11 n = − ∞ and fails to exist.

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Use the nth-term test for divergence to show that the series is divergent, or state that the test is inconclusive.
∑ n = 1 ∞ cos ⁡ 11 n
Choose the correct answer below.
A. The test is inconclusive because lim n → ∞ cos ⁡ 11 n = ◻ .
B. The series diverges because lim n → ∞ cos ⁡ 11 n = ∞ and fails to exist.
C. The series diverges because lim n → ∞ cos ⁡ 11 n exists and is equal to ◻ .
D. The series diverges because lim n → ∞ cos ⁡ 11 n = − ∞ and fails to exist.

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