2021 JMPSC Sprint Problems/Problem 20
Revision as of 22:49, 10 July 2021 by Samrocksnature (talk | contribs) (Created page with "==Problem== For all integers <math>x</math> and <math>y</math>, define the operation <math>\Delta</math> as <cmath>x \Delta y = x^3+y^2+x+y.</cmath> Find <cmath>\sqrt{\dfrac{2...")
Problem
For all integers 
and 
, define the operation 
as ![\[x \Delta y = x^3+y^2+x+y.\]](http://latex.artofproblemsolving.com/2/5/a/25a7644ee3d0b1d85e40b4ffd2e26eff4e2532c1.png)
Find ![\[\sqrt{\dfrac{257 \Delta 256}{258}}.\]](http://latex.artofproblemsolving.com/7/8/8/7888ec6e1cd3c45c7d43cf6d157a7cb515a06cb1.png)
Solution
asdf
