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Non-negative Integers Crossed Expression Product puzzle (Posted on 2023-09-07) Difficulty: 2 of 5
Determine all possible pairs (x,y) of non-negative integers that satisfy this equation:
(x!+1)(y!+1)= (x+y)!

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Another solutionLarry2023-09-07 12:40:32
SolutionAnother solutionBrian Smith2023-09-07 10:51:07
SolutionAnalytic solutionLarry2023-09-07 08:49:14
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