$\"\"$

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The function $\"\"$ .

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$

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Tangent passes through $\"\"$ .

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$\"\"$

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Consider $\"\"$

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Newtons approximation method formula : $\"\"$ .

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Newtons Formula : $\"\"$

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$\"\"$

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$\"\"$ .

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Perform newton approximation for $\"\"$ .

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Newtons formula : $\"\"$ .

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$\"\"$

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Perform newton approximation for $\"\"$ .

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$\"\"$

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Newton formula : $\"\"$ .

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$\"\"$

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$\"\"$ .

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Perform newton approximation for $\"\"$ .

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Newton formula : $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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The minimum distance of the point is $\"\"$ .