The function is .
Apply first derivative on each side with respect to .
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Find the relative extrema, by equating .
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So the critical values are and
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Substitute in
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The point is .
Substitute in
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The point is .
The relative extrema points are and
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Using second derivative test, determine the relative extrema.
\Apply second derivative on each side with respect to .
Point | \Sign of ![]() | \
Conclusion | \
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Relative maximum \ | \
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Relative minimum | \
The relative maximum is at .
The relative minimum is at .