{"height":"190","author_name":"hoinori","published":"2021-07-08 13:54:36","title":"\u30d6\u30e9\u30fc\u30de\u30b0\u30d7\u30bf\u306e 0/0=0 \u306b\u95a2\u3059\u308b\u304a\u8a71 1","url":"https://hoinori.hatenablog.com/entry/2021/07/08/135436","image_url":null,"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhoinori.hatenablog.com%2Fentry%2F2021%2F07%2F08%2F135436\" title=\"\u30d6\u30e9\u30fc\u30de\u30b0\u30d7\u30bf\u306e 0/0=0 \u306b\u95a2\u3059\u308b\u304a\u8a71 1 - hoinori\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","blog_title":"hoinori","blog_url":"https://hoinori.hatenablog.com/","categories":["\u6570\u5b66","0\u9664\u7b97"],"version":"1.0","author_url":"https://blog.hatena.ne.jp/hoinori/","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","description":"\u30d6\u30e9\u30fc\u30de\u30b0\u30d7\u30bf(Brahmagupta) \u306f\u30a4\u30f3\u30c9\u306e\u6570\u5b66\u8005\uff0c\u5929\u6587\u5b66\u8005\u3068\u3057\u3066\u6709\u540d\u3067\u3059\u3002\u5f7c\u306f 628\u5e74\u306b\u300e\u30d6\u30e9\u30fc\u30de\u30fb\u30b9\u30d7\u30bf\u30fb\u30b7\u30c3\u30c0\u30fc\u30f3\u30bf\u300f(Br\u0101hmasphu\u1e6dasiddh\u0101nta) \u3068\u3044\u3046\u30bf\u30a4\u30c8\u30eb\u306e\u6570\u5b66\u3068\u5929\u6587\u5b66\u306e\u66f8\u7269\u3092\u8457\u3057\u307e\u3057\u305f\u3002\u5f7c\u306f\u3053\u306e\u4e2d\u3067 $0/0=0$ \u3067\u3042\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\uff0c$z\\ne0$ \u306e\u3068\u304d\u306b $z/0$ \u306f\u3069\u3046\u306a\u308b\u306e\u304b\u306b\u3064\u3044\u3066\u306f\u8a00\u53ca\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002 \u3053\u306e\u3053\u3068\u3092 Merzbachand & Boyer \u8457\u306e\u300eA History of Mathematics\u300f\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002 Yet here again Brahmagupta spoiled matters \u2026"}