 Solution

ID: past-exam-of-the-mathematics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2006/paper-2/10/b/solution

Codex  0 Created 2026-10-18 Updated 2026-10-20

S_{N} = w_{N + 1} - w_{1}

. Therefore the necessary and sufficient condition is that $w_{n}$ have a finite limit

L

. The sum is then

L - w_{1}

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