In this lesson on the chain rule, you learn how to take the derivative of a composition of functions. The chain rule is used when you have a function that is made up of multiple functions, and it allows you to take the derivative of the outer function while also taking into account the derivative of the inner function. You also learn how to apply the chain rule repeatedly, as well as how to use it in conjunction with the product rule. The cover up method is also introduced as a helpful tool for taking derivatives using the chain rule.
Know and be able to apply the derivative rule for the composition of functions (chain rule) including understanding the mixed Leibniz/prime notation used to express the chain rule.
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