Y by
Let
and
be two non-empty subsets of
with
and
. Let
be the product of all elements of
and let
be the product of all elements of
. Find the minimum possible value of sum
.
PS. It is a variation of JBMO Shortlist 2019 A3










PS. It is a variation of JBMO Shortlist 2019 A3
This post has been edited 2 times. Last edited by parmenides51, Nov 14, 2020, 8:17 PM