Question 15
If $k^2+(n-223)k-899=0$ and $n=1+3+5+\cdots+k$, find k.
HKIMO 2019 THPT (Grades 10–12 shared) National Final (Heat) Set 02 Question 15
HKIMO · HKIMO 2019 THPT (Grades 10–12 shared) National Final (Heat) Set 02
HKIMO · HKIMO 2019 THPT (Grades 10–12 shared) National Final (Heat) Set 02