Most terms cancel. The surviving positive terms are $\frac11, \frac12$, and the surviving negative terms are $-\frac151, -\frac152$ (since $k+2 = 51, 52$ have no positive counterparts to cancel them). - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$Most terms cancel. The surviving positive terms are $\frac{1}{1}, \frac{1}{2}$, and the surviving negative terms are $-\frac{1}{51}, -\frac{1}{52}$ (since $k+2 = 51, 52$ have no positive counterparts to cancel them).$

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