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VTMO 2026 - Grade 9 - Final - SET 5 - Self-study Question 3

VTMO · VTMO 2026 - Grade 9 - Final - SET 5 - Self-study

Question 3

Solve $(1+x+x^2+x^3)(1+x+x^2+\cdots+x^9)=(1+x+\cdots+x^6)^2$.