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Solve Prove by mathematical induction: 1² + 2² + ... + n² = n(n+1)(2n+1)/6 for all ... — Step-by-Step Solution by AhaStep
📝 Đề bài
Prove by mathematical induction: 1² + 2² + ... + n² = n(n+1)(2n+1)/6 for all n ≥ 1. Show base case and inductive step.