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math121b:prob9-1 [2020/03/14 20:51] pzhou |
math121b:prob9-1 [2026/02/21 14:41] (current) |
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| All in all, we have coefficient | All in all, we have coefficient | ||
| - | $$ c_n = \frac{2n+1}{2} \cdot \begin{cases} 0 & n \text{ even } \\ | + | $$ c_n = \frac{2n+1}{2} \cdot \begin{cases} 0 & n \text{ even } \cr |
| \frac{(-1)^{m}}{2^{2m} (2m+1)} | \frac{(-1)^{m}}{2^{2m} (2m+1)} | ||
| \end{cases} | \end{cases} | ||