Necessary Condition for an Interior Extremum
If $$f$$ is differentiable at an interior point $$x=c$$ and has a local extremum there, then:
$$f'(c)=0$$
Usage
- Used to locate possible extrema of differentiable functions.
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Necessary Condition for an Interior Extremum
Necessary Condition for an Interior Extremum
If $$f$$ is differentiable at an interior point $$x=c$$ and has a local extremum there, then:
$$f'(c)=0$$
Usage
- Used to locate possible extrema of differentiable functions.
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