Question 6
Find the coefficient of $x^2$ in $(x^2+3x-2)^4$.
HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01 Question 6
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