Waste less time on Facebook — follow Brilliant.

INMO 2015

Show that from a set of 11 square integers one can select six numbers a^2,b^2,c^2,d^2,e^2,f^2 such that a^2+b^2+c^2 \equiv d^2+e^2+f^2 (mod 12)

Note by Nitish Deshpande
1 year, 8 months ago

No vote yet
1 vote


There are no comments in this discussion.


Problem Loading...

Note Loading...

Set Loading...