2007 SMT Algebra Round Problem 1: Difference between revisions
Created page with "==Problem== Find all real roots of <math>f</math> if <math>f\left(x^{\frac19}\right)=x^2-3x-4</math>. ==Solution== After factoring, we get <math>f\left(x^{\frac19}\right)=(x-..." |
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Revision as of 22:29, 28 October 2025
Problem
Find all real roots of 
if 
.
Solution
After factoring, we get 
, so to make 
, 
or 
, so, we have 
or 
, and because can't be simplified and 
, our answer is 
~Yuhao2012
