Rashmi posted an Question
November 23, 2020 • 21:33 pm 30 points
  • CSIR NET
  • Mathematical Sciences

Uestlon sir net ma usp 1-15 revised (2019-20) the series 2. where b, = (-1)y n'e*is convergent but not absolutely convergent not convergent, but partial sums os

uestlon SIR NET MA USP 1-15 Revised (2019-20) The series 2. where b, = (-1)y n'e*is Convergent but not absolutely convergent Not convergent, but partial sums oscillate b/v and +1 Absolutely convergent partial sums are unbounded

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    Satpal singh Best Answer

    see the attachment

    cropped5431770818524842550.jpg
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    option C is correct

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    tq so much. how could we get idea to check the ratio test only

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    if this fails then we try for next.

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    for positive term series you can follow this sequence

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    from this you can check every positive series.

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    read NP BALI's real for convergence pf sequence and series

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