{"image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%5Cdisplaystyle%20%5Cunderline%7Bx%3D%5Cfrac%7B-b%5Cpm%5Csqrt%7B%5Cleft%28b%5E2-4ac%5Cright%29%7D%7D%7B2a%7D%7D","published":"2018-10-28 14:34:38","title":"2\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u516c\u5f0f","blog_title":"A4\u306e\u5b87\u5b99","width":"100%","provider_url":"https://hatena.blog","url":"https://a4.hateblo.jp/entry/2018/10/28/143438","categories":["\u6570\u5b66"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fa4.hateblo.jp%2Fentry%2F2018%2F10%2F28%2F143438\" title=\"2\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u516c\u5f0f - 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_url":"https://a4.hateblo.jp/","author_name":"dai-ig","description":"\u6982\u8981 \u4ee5\u4e0b\u306e\u95a2\u4fc2\u3092\u6e80\u305f\u3059\\( x \\)\u3092\u5b9a\u6570\\( a,b,c \\)\u3067\u8868\u3059\u3002\u3059\u306a\u308f\u3061\u30012\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u516c\u5f0f\u3092\u5c0e\u304f\u3002 \\begin{eqnarray}ax^2+bx+c=0\\end{eqnarray} \u5c0e\u51fa \\( a \\neq 0 \\)\u3068\u3057\u3066\u3001\u4e21\u8fba\u3092\\( a \\)\u3067\u5272\u308b\u3002 \\[ \\begin{eqnarray}x^2+\\frac{b}{a}x+\\frac{c}{a}=0\\end{eqnarray} \\] *1 \u306b\u3064\u3044\u3066\u5e73\u65b9\u5b8c\u6210\u3092\u884c\u3046\u3002 \\begin{eqnarray}\\left(x+\\frac{b}{2a}\\right)^2-\\left(\\frac{b}{2a}\\right)^2+\\frac{c}\u2026","height":"190","provider_name":"Hatena Blog","version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/dai-ig/"}