{1/2+1/6+1/12+1/20+1/30+……..+1/n(n+1)}=?

  1. 1/n
  2. 1/n+1
  3. n/n+1
  4. 2(n-1)/n
Anurag Mishra Professor Asked on 11th January 2016 in Maths.
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1 Answer(s)

Answer: (3) n/(n + 1)

Anurag Mishra Professor Answered on 28th January 2016.
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