100 Assume that we know Σn=1 an ≤ Σn=1 bn ≤ 3 Σn=1 an and all the terms of series are positive. a. If Σ1 an converges, what can we say about 1 bn ? Why? b. If n=1 bn diverges, what can we say about Σn=1 an ? Why?

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Chapter2: Second-order Linear Odes
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Justify work and show details. (Name and state conditions for tests of convergence)

Assume that we know Σ=1&n <Σ=1bn < 3 Σ=1 an and all
the terms of series are positive.
a. If
1 an converges, what can we say about 1 bn ? Why?
b. If n=1 bn diverges, what can we say about Σn-1 an? Why?
Transcribed Image Text:Assume that we know Σ=1&n <Σ=1bn < 3 Σ=1 an and all the terms of series are positive. a. If 1 an converges, what can we say about 1 bn ? Why? b. If n=1 bn diverges, what can we say about Σn-1 an? Why?
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