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find all points on the graph of the given function where the tangent line is horizontal x+1/x^2+x+1?
I know how to get the derivative but I don't know what to do after that
1 Answer
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- MsMathLv 71 decade agoFavourite answer
Once you get the derivative, you set it equal to zero.
A fraction equals zero when the numerator is zero, so set the numerator of the derivative equal to zero.
Once you get your x values, plug those in to find the y values.
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