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.
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
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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