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Use any convergence test from Sections 7.4–7.6 to determine whether the series in Exercises 41–59 converge or diverge. Explain why each series that meets the hypotheses of the test you select does so.

k=1k32k

Short Answer

Expert verified

The given series converges.

Step by step solution

01

Step 1. Given Information. 

The given series isk=1k32k.

02

Step 2. Determine whether the series converges or diverges.

To determine whether the series converges or diverges we will use the root test since the series has positive terms that meet the hypothesis of the test.

Let the general term is ak=k32k.

So,

ρ=limkak1kρ=limkk32k1kρ=limkk3k2ρ=12

Sinceρ<1, by the root test, the given series converges.

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