実数解の個数

たった15分で実数解の個数が求められるようになる【受験に役立つ数学IA】

みなさん、こんにちは。数学ⅠAのコーナーです。今回のテーマは【実数解の個数】です。たかしくん二次方程式が実数解を持つってどういうこと？そもそも実数ってなに？今回は、たかしくんの実数解の個数に関する悩みを解決していきます。最終的には判別...

2020.04.19

二次関数

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