Sorry, you can't learn math by watching videos. It's like trying to get fit by reading books. I recommend the answers found in these threads https://news.ycombi

Sorry, you can't learn math by watching videos. It's like trying to get fit by reading books. I recommend the answers found in these threads https://news.ycombinator.com/item?id=17075261 https://news.ycombinator.com/item?id=17075261 and https://news.ycombinator.com/item?id=16562173 https://news.ycombinator.com/item?id=16562173 aj7's answer is on the mark imho.