Power Series | Absolute and Conditional Convergent with Solved Examples

[@SuccessPoint3216]

Sir Ik first question why you took the whole term as an instead of only coefficient

[@noormujassam8612]

Thank you so much sir

[@shubh.ruhela]

Sir please tell the domain of convergence of this series. ( x - x/2 + x/3 - x/4 + x/5 - .............
According to me answer is [ -1,1]
But according to answer key it is (-1,1]
Please reply sir.