My issue is that there simply aren't any practice exercises on linear algebra. ![]() ![]() I've attempted to watch the videos on this site, and even though they are more advanced than most stuff around here, I still grasp the concepts roughly. Now I'm doing linear algebra and I'm struggling hard. Just last year I was struggling with calculus before a big exam that might have seen me out of university early, but I watched these videos on Khan Academy and did the exercises and I passed (after maybe a week of thorough practice). I've been on Khan Academy for over 3 years now, and this site has saved my ass more than once.
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