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Factorial Symmetry
Problem
Given that $a$ and $b$ are positive integers, solve the following equation.
$a$!$b$! = $a$! + $b$!
Problem ID: 214 (09 Mar 2005) Difficulty: 2 Star
Given that $a$ and $b$ are positive integers, solve the following equation.
$a$!$b$! = $a$! + $b$!
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