Extremum Command
From GeoGebra Manual
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This command differs among variants of English:
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- Extremum[Polynomial]
- Yields all local extrema of the polynomial function as points on the function graph.
- Extremum[Function f,left-x,right-x]
- Finds the extremum of f in the open interval <left-x,right-x>. Function f should be continuous in [left-x,right-x] and have only one extremum in this interval.
