Question
Find all points on the curve $y=x^{3}-3 x$ where the tangent line is parallel to the $x$ -axis.
Step 1
The derivative of a function gives us the slope of the tangent line at any point on the curve. The derivative of $y=x^{3}-3x$ is $y'=3x^{2}-3$. Show more…
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Key Concepts
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