Question
Which of the series Ea, defined by the formulas in Exercises 1-4
converge, and which diverge? Give reasons for your answers.
2. Σ
1
1. I
(tan-' n)?
2.
n²1
(3n – 2)+(1/2)
n=1
4.
log„(n!)
3. 2(-1)"tanh n
n=2
n=1
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Transcribed Image Text

Which of the series Ea, defined by the formulas in Exercises 1-4 converge, and which diverge? Give reasons for your answers. 2. Σ 1 1. I (tan-' n)? 2. n²1 (3n – 2)+(1/2) n=1 4. log„(n!) 3. 2(-1)"tanh n n=2 n=1