{"categories":["PE","\u6570\u5b66","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"provider_url":"https://hatena.blog","type":"rich","version":"1.0","height":"190","description":"\u30ac\u30a6\u30b9\u6574\u6570\u306f\u3001a, b\u3092\u6574\u6570\u3068\u3057\u305f\u3068\u304d\u3001a + ib\u3068\u8868\u305b\u308b\u6570\u3092\u8a00\u3044\u307e\u3059\u3002 \u30ac\u30a6\u30b9\u6574\u6570\u306f\u3001\u7d20\u56e0\u6570\u5206\u89e3\u306e\u4e00\u610f\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u30705\u306a\u3089\u3001 5 = (2 + i)(2 - i) \u3068\u4e00\u610f\u306b\u5206\u89e3\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001-1\u3001\u00b1i\u3092\u639b\u3051\u305f\u6570\u306f\u540c\u3058\u56e0\u6570\u3068\u307f\u306a\u3057\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3001 5 = (-1 + 2i)(-1 - 2i) 5 = (-2 - i)(-2 + i) 5 = (1 - 2i)(1 + 2i) \u3082\u540c\u3058\u5206\u89e3\u3068\u307f\u306a\u3057\u307e\u3059\u3002 \u3053\u306e\u6027\u8cea\u306f\u3001\u539f\u70b9\u3092\u4e2d\u5fc3\u3068\u3059\u308b\u5186\u5468\u4e0a\u306e\u683c\u5b50\u70b9\u306e\u500b\u6570\u3092\u6570\u3048\u308b\u3068\u304d\u306b\u4f7f\u3048\u307e\u3059\u3002\u4f8b\u3048\u3070\u5186\u5468\u3092 x2 + y2 = 65 \u3068\u3057\u307e\u3059\u3002 12 + 22 = (1 + 2i)(1 - 2i) = 5\u2026","published":"2010-11-15 00:00:00","provider_name":"Hatena Blog","url":"https://inamori.hateblo.jp/entry/20101115/p1","image_url":null,"author_url":"https://blog.hatena.ne.jp/inamori/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20101115%2Fp1\" title=\"\u30ac\u30a6\u30b9\u6574\u6570 - inamori\u2019s diary\" 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":"inamori\u2019s diary","author_name":"inamori","title":"\u30ac\u30a6\u30b9\u6574\u6570","blog_url":"https://inamori.hateblo.jp/"}