$\"\"$

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The ellipse equation is $\"\"$ .

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Find $\"\"$ .

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$\"\"$

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Apply 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 points when $\"\"$ .

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$\"\"$

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Substitute $\"\"$ in the equation.

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ at the end points of the major axis.

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End points of the major axis are $\"\"$ .

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$\"\"$

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Find the points when $\"\"$ .

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$\"\"$

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Substitute $\"\"$ in the equation.

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$\"\"$

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$\"\"$ at the end points of the minor axis.

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End points of the minor axis are $\"\"$ .

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$\"\"$

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End points of the major axis are $\"\"$ .

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End points of the minor axis are $\"\"$ .