Ex

Examples. Differentiate the following functions. 1. Answer: 2. Answer: 3. = = = = Answer: 4. = = Answer: Theorem (The Chain Rule) If f and g are two differentiable functions and , then . Proof. By definition, . COMMENT: The Chain Rule tells us how to differentiate the composition of two functions f and g. In this form of the Chain Rule, you would have to identify both functions. Example ... ................
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