$\"\"$

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The equation is $\"\"$ and the point is $\"\"$ .

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The slope of the tangent line is equal to the derivative of the function at $\"\"$ .

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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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$\"\"$ .

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$\"\"$

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Slope at the point $\"\"$ is $\"\"$ .

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

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$\"\"$

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$\"\"$ .

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Point-slope form of line equation $\"\"$ .

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Substitute point $\"\"$ and slope $\"\"$ in the above equation.

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$\"\"$

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$\"\"$ .

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Tangent line equation is $\"\"$ . $\"\"$

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Tangent line equation is $\"\"$ .