$\"\"$

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

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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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Slope of the tangent is derivative of the function at the given point.

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Slope of the tangent line at $\"\"$ .

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$\"\"$

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$\"\"$

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Slope of the tangent at $\"\"$ is $\"\"$ .

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$\"\"$

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

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Substitute $\"\"$ and $\"\"$ in point-slope form.

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$\"\"$

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The tangent line equation is $\"\"$ .

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$\"\"$

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The tangent line equation is $\"\"$ .