Question 15
If $k^2+(n-782)k-3135=0$ and $n=1+3+5+\cdots+k$, find $k$.
HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01 Question 15
HKIMO · HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01
HKIMO · HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01