Question: Determine whether the series 1. divergent E (-1) *-1COS2( k) 2. absolutely convergent 2k k =1 3. conditionally convergent is absolutely convergent, conditionally con- vergent


Determine whether the series 1. divergent E (-1) *-1COS2( k) 2. absolutely convergent 2k k =1 3. conditionally convergent is absolutely convergent, conditionally con- vergent or divergent
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