Question 8
Evaluate $\displaystyle\sum_{k=2}^{1000}\frac1{k^2-1}$.
HKIMO 2026 THPT (Grades 10–12 shared) National Final (Heat) Set 05 Question 8
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Final (Heat) Set 05
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Final (Heat) Set 05