"The most important rule to master mathematics is: if you get lost (and most people including “experts” get lost a lot), back up to what you know and start over. Don’t try to keep going; in most cases, you will only get more lost."bron
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"The most important rule to master mathematics is: if you get lost (and most people including “experts” get lost a lot), back up to what you know and start over. Don’t try to keep going; in most cases, you will only get more lost."