$\"\"$

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The equation is $\"\"$ .

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The point is $\"\"$ .

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Consider the equation $\"\"$ .

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Diffrentiate with respect to $\"\"$ .

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$\"\"$ .

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Slope of the line $\"\"$ at $\"\"$ :

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$\"\"$ .

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Equation of the tangent is $\"\"$ .

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$\"\"$

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$\"\"$

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Graph :

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Graph the function $\"\"$ .

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$\"\"$

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$\"\"$

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Equation of the tangent is $\"\"$ . \ \