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Evan Casey
On his Reddit AMA 12 days ago, Salman Khan said:"Depends on the video. If I do an example problem in, say, algebra, I don't do any prep so it takes me about 10 minutes. If I am thinking about introducing a complex topic that I already know well, I think about it on my walk to work so it may be 30 mins -1 hour total. If it is a topic that I need to brush up on, it might be half a day. When I did organic chemistry, I spent 2 weeks immersing myself in the subject before making the first video."
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On his Reddit AMA 12 days ago, Salman Khan said:"Depends on the video. If I do an example problem in, say, algebra, I don't do any prep so it takes me about 10 minutes. If I am thinking about introducing a complex topic that I already know well, I think about it on my walk to work so it may be 30 mins -1 hour total. If it is a topic that I need to brush up on, it might be half a day. When I did organic chemistry, I spent 2 weeks immersing myself in the subject before making the first video."
See Questions On Quora
Continue reading...
