$\"\"$

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

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Consider $\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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

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Substitute $\"\"$ in the slope of the tangent line.

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$\"\"$

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$\"\"$

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$\"\"$

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Slope of the tangent line is the derivative of the function.

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Substitute $\"\"$ and $\"\"$ in the slope of the tangent line.

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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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$\"\"$

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Substitute $\"\"$ in the function.

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$\"\"$

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$\"\"$

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The point of tangency is $\"\"$ .

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

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$\"\"$

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$\"\"$

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$\"\"$

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

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$\"\"$

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

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

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Tangent line equation is $\"\"$ .

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$\"\"$

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The point of tangency is $\"\"$ .

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Tangent line equation is $\"\"$ .