perplexus.info :: Calculus : Factorial Ratio Sum Puzzle

Factorial Ratio Sum Puzzle (Posted on 2015-08-04)

Define:
A(k) = k! + (k+1)! + (k+2)!, and:

B(n) = Σ_{k=1 to n} (k+2)/A(k)

Evaluate:

Limit B(n)
n → ∞

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

a logical guess, not a proof | Comment 1 of 3

Totally wrong solution,
deleted by the author.

Edited on August 4, 2015, 2:27 pm

Posted by Ady TZIDON on 2015-08-04 07:53:09

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