#education

Finance YouTube is divided into 'sell you the dream' creators and 'teach you something' creators. The first group has bigger audiences. The second group is the one worth watching. Here are twelve channels that genuinely add to how you think about money, markets, and investing.

The quotient rule is the calculus shortcut for taking the derivative of a fraction where both the top and the bottom depend on x. It's mostly memorization, but understanding why the formula has the form it does makes the rule much harder to forget.