Login or Sign Up

Ask a New Question

TheDude

Questions and answers by visitors named TheDude

Questions (1)

Let $|r| < 1$,$$S = \sum_{k=0}^{\infty} r^k,$$ and $$T = \sum_{k=0}^{\infty} k r^k.$$ Our approach is to write $T$ as a
1. 6 answers
2. asked by TheDude
3. 5,955 views