$\"\"$

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The function is $\"\"$ .

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Apply first derivative on each side with respect to $\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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Find the relative extrema by equating $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute the value of $\"\"$ in $\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$ .

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The relative extrema point is $\"\"$ .

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$\"\"$

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$\"\"$

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Apply second derivative on each side with respect to $\"\"$ .

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$\"\"$ .

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$\"\"$ .

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Substitute the value of $\"\"$ in $\"\"$ .

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$\"\"$ .

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$\"\"$

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The relative minimum point is $\"\"$ .

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$\"\"$

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The relative minimum point is $\"\"$ .

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The relative is minimum $\"\"$ .