你都正一「切線」 What a Tangent

本頻道旨在以淺白的方式介紹大學數學本科的內容，同時亦會利用較初階數學課題協助眾位學生鑽研屬於自己的解題心法。小弟個人分享，不吝賜正。 This channel aims to introduce degree mathematics, requiring minimal foundation from the audience. At the same time, we help students build their own system on problem solving using topics of elementary mathematics. Comments on mistakes are very welcomed.