{"url":"https://a4.hateblo.jp/entry/2019/01/14/115131","image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%20%5Cdisplaystyle%20%5Csum_%7Bn%3D1%7D%5E%7B%5Cinfty%7D%20a_n","blog_url":"https://a4.hateblo.jp/","provider_url":"https://hatena.blog","categories":["\u6570\u5b66","\u6570\u5217"],"height":"190","width":"100%","author_name":"dai-ig","author_url":"https://blog.hatena.ne.jp/dai-ig/","version":"1.0","title":"\u53ce\u675f\u534a\u5f84\u306e\u5c0e\u51fa","provider_name":"Hatena Blog","published":"2019-01-14 11:51:31","type":"rich","description":"\u6982\u8981 \u30c0\u30e9\u30f3\u30d9\u30fc\u30eb\u306e\u53ce\u675f\u5224\u5b9a\u6cd5\u3092\u4f7f\u3063\u3066\u30c6\u30a4\u30e9\u30fc\u5c55\u958b\u306e\u53ce\u675f\u534a\u5f84\u3092\u8a08\u7b97\u3059\u308b\u3002 \u30c0\u30e9\u30f3\u30d9\u30fc\u30eb\u306e\u53ce\u675f\u5224\u5b9a\u6cd5(\u518d\u63b2) \u7d1a\u6570\u304c\u53ce\u675f\u3059\u308b\u304b\u3069\u3046\u304b\u3001\u4ee5\u4e0b\u306e\u5f0f\u3067\u5224\u5b9a\u3067\u304d\u308b\u3002 \u8db3\u3057\u5408\u308f\u3055\u308c\u308b\u6570\u5217\u304c\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3068\u304d\u3001\u7d1a\u6570\u306f\u53ce\u675f\u3059\u308b\u3002 \\begin{eqnarray}\\lim_{n \\to \\infty} \\frac{|a_{n+1}|}{|a_n|} < 1\\end{eqnarray} \u304c\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3068\u304d\u3001\u7d1a\u6570\u306f\u767a\u6563\u3059\u308b\u3002 \\begin{eqnarray}\\lim_{n \\to \\infty} \\frac{|a_{n+1}|}{|a_n|} > 1\\end{eqnarray} \u304c\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3068\u304d\u306f\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fa4.hateblo.jp%2Fentry%2F2019%2F01%2F14%2F115131\" title=\"\u53ce\u675f\u534a\u5f84\u306e\u5c0e\u51fa - A4\u306e\u5b87\u5b99\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"A4\u306e\u5b87\u5b99"}