If the sum of the first \(n\) natural numbers is given by \(\fracn(n+1)2\), find \(n\) when the sum is 210.

If the sum of the first \(n\) natural numbers is given by \(\fracn(n+1)2\), find \(n\) when the sum is 210. - Silent Sales Machine

📅 March 11, 2026 👤 scraface

Mar 11, 2026

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