{"description":"\u554f2 \u6b63\u306e\u6574\u6570\uff4e\u3067\u3042\u3063\u3066, [(\u221a2026)n]\u304c n\u3067 \u5272\u308a\u304d\u308c\u306a\u3044\u3088\u3046\u306a \u3082\u306e\u306e\u3046\u3061\u3001\u6700\u5c0f\u306e\u3082\u306e\u3092\u6c42\u3081\u3088. \u305f\u3060\u3057, \u5b9f\u6570r\u306b\u5bfe\u3057\u3066r\u4ee5\u4e0b\u306e\u6700\u5927\u306e\u6574\u6570\u3092[r]\u3067\u8868\u3059. \u305f\u3068\u3048\u3070, [3.14]=3, [5]=5\u3067\u3042\u308b. \u89e3\u7b54: \u221a2026 \u306e\u5c0f\u6570\u90e8\u5206\u3092 a \u3068\u7f6e\u304f\u3002\uff080<a<1) \u221a2025<\u221a2026<\u221a2116 45<\u221a2026<46 \u3088\u308a [\u221a2026 ]=45 \u306a\u306e\u3067 \u221a2026 =45+a \u2026\u2460 \u2460\u3092\u4e0e\u5f0f\u306b\u5165\u308c\u308b\u3068 [(\u221a2026)n] = [(45+a)n] = 45n+[an]\u2026\u2461 an<1\u306e\u3068\u304d [an]=0 \u306b\u306a\u308b\u306e\u3067 n \u3067\u5272\u308a\u5207\u308c\u308b \u3088\u3063\u3066 an\u22671\u306e\u3068\u304d n \u3067\u5272\u308a\u2026","author_name":"atlas_neo46","height":"190","published":"2026-04-09 09:28:04","title":"\u65e5\u672c\u6570\u5b66\u30aa\u30ea\u30f3\u30d4\u30c3\u30af2026 \u4e88\u9078\u554f2","blog_title":"atlas-open blog","categories":["\u6570\u5b66","\u6570\u30aa\u30ea\u89e3\u3044\u3066\u307f\u305f"],"provider_name":"Hatena Blog","version":"1.0","provider_url":"https://hatena.blog","width":"100%","blog_url":"https://atlas-open2.hatenadiary.jp/","author_url":"https://blog.hatena.ne.jp/atlas_neo46/","type":"rich","url":"https://atlas-open2.hatenadiary.jp/entry/2026/04/09/092804","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fatlas-open2.hatenadiary.jp%2Fentry%2F2026%2F04%2F09%2F092804\" title=\"\u65e5\u672c\u6570\u5b66\u30aa\u30ea\u30f3\u30d4\u30c3\u30af2026 \u4e88\u9078\u554f2 - atlas-open blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn.blog.st-hatena.com/images/theme/og-image-1500.png"}