perplexus.info :: Numbers : Non-negative Integers Crossed Expression Product puzzle

Non-negative Integers Crossed Expression Product puzzle (Posted on 2023-09-07)

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)

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