A pity not to have much time to visit this forum. The following question need some knowledge beyond high school. It seems somewhat boring. www.ddhw.com Find polynomial expansion of (1-z) ^(-t), where |z| < 1. Both t and z are complex numbers. We have standard solution to this problem by use of Cauchy integral. But there is another way to solve it by imploying a bit of calculus.
www.ddhw.com
本贴由[QFT]最后编辑于：2006-8-4 17:41:48 | 
哈哈哈哈 O(∩_∩)O哈哈~ 好久不来了，不小心看了一眼自己主页，发现自动关联了自己以往发过的帖，点进这个看了一眼，笑个半死。。。敢情我当初还发过这么搞笑的东西啊，我自己完全不记得了 
雷达卡
发表于 2006-8-1 06:40:49
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