Asked by Lia

Which one of the following statements is true about the series the series from n equals 1 to infinity of the quotient of negative 1 raised to the nth power and n ? (4 points) Is this A or B? I am a little confused.

A) It is absolutely convergent.
B) It is the alternating harmonic series and is conditionally convergent.
C) It is divergent.
D) Its sum is 0.

Answers

Answered by oobleck
B is true, so you know A is false.

all those words! Just write
sum (-1)^n/n
or, if you just have to do it, maybe
sum(n=1..infinity) (-1)^n/n
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