$\"\"$

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The vectors are $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$ where $\"\"$ .

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Substitute $\"\"$ , $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ , $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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Since $\"\"$ .

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Substitute $\"\"$ , $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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The $\"\"$ describes the set of all points $\"\"$ outside of an ellipse with foci $\"\"$ and $\"\"$ .

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$\"\"$

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The $\"\"$ describes the set of all points $\"\"$ outside of an ellipse with foci $\"\"$ and $\"\"$ .