I'm currently working this problem pretty unsuccessfully. I tried to use the derivative of arctan and the general power rule and as a result I got: But this is wrong. Any thoughts? Thanks to anybody that helps.
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You should have three segments:
Using the chain rule, and the derivative of arctan, we'll get With So you were right =)
Originally Posted by fleabass123 I'm currently working this problem pretty unsuccessfully. I tried to use the derivative of arctan and the general power rule and as a result I got: But this is wrong. Any thoughts? Thanks to anybody that helps. actually, what you arrived at is correct.
I see. Thanks for the help, everybody!
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