1 V 6. For every ne N, let a, (-1)"+1 a) Show that a, >0 for every neN, and that an -0 as no. b) Show that the series (-1)"a, is divergent. c) Comment on the result.

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V 6. For every ne N, let a
(-1)a+1
a) Show that a, >0 for every neN, and that an -0 as n-o.
b) Show that the series(-1)"a, is divergent.
c) Comment on the result.
Transcribed Image Text:1 V 6. For every ne N, let a (-1)a+1 a) Show that a, >0 for every neN, and that an -0 as n-o. b) Show that the series(-1)"a, is divergent. c) Comment on the result.
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