Ashwini Asked a Question
July 21, 2020 9:54 ampts 30 pts
30. Let (an} be a sequence of positive real numbers such that a, =1a1 2a,an1-a, 0 for all n 21. Then, the sum of the series -1 an lies in the interval (a)(1,2] (b) (2, 3] (C) (3, 4] (d) (4. 5]
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  • Deepak singh Best Answer
    see attached , option a
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    Deepak singh
    if any doubt then ask
  • Arzoo thankyou
    See the attachment
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  • Deepak singh
    option a is correct
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  • Chandra dhawan
    dear option A is correct... deepak sir already attached you solution.... try to understand that situation... hope it will great help of you by deepak sir.. best regards..
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