Ashwini posted an Question
July 03, 2020 • 12:54 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Q.30 let {a,} be a sequence of positive real numbers such that a1= 1, a+1-2a+1 an= 0 for all n 1. then the sum of the series (a) (1,2] 2n=1a lies in the interva

Q.30 Let {a,} be a sequence of positive real numbers such that a1= 1, a+1-2a+1 an= 0 for all n 1. Then the sum of the series (A) (1,2] 2n=1a lies in the interval (B) (2,3] C) (3,41 (D) (4,5]

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    Deepak singh 1 best-answer

    option a is correct, see attached solution for detail.

    cropped8637957160207370752.jpg
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