I'm confused about this problem: , find My textbook says the answer is: However, there isn't an explanation of the first step. Where does come from? Could someone explain this to me? Thanks,
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Originally Posted by absvalue I'm confused about this problem: , find My textbook says the answer is: However, there isn't an explanation of the first step. Where does come from? Could someone explain this to me? Thanks, It's from the chain rule: The derivative of f[g(x)] is You know the derivative of is , right? So the derivative of is Hope that helps
Oh, I see... that's cool. Thanks!
Originally Posted by absvalue Oh, I see... that's cool. Thanks! No problem! By the way, don't forget to do this multiple times, if the function embedded inside is not just x. I mean the derivative of is: Anytime you see a function where the inside is not just x, don't forget the chain rule! Hope this helps!
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