미분기하학 1.4.3 접벡터에 대한 함수의 방향도함수

New channel 수학탐구: title sample judged 'whole' (A systematic sequential math course channel covering complex analysis, differential geometry, ODEs, and calculus with st); passed a second screen for sellers/exam-prep/re-uploads; 1 of 3 sampled transcripts showed teaching, 0 not; every title checked strictly; oEmbed verified.

A 30-minute video from 수학탐구: “미분기하학 1.4.3 접벡터에 대한 함수의 방향도함수”.

Video by 수학탐구, played through YouTube's embedded player.