$\"\"$

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The function is $\"\"$ and the equation of parallel line is $\"\"$ .

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The slope of the tangent line is the derivative of the function.

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$\"\"$

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

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$\"\"$

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Quotient rule of derivatives : $\"\"$ .

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$\"\"$

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$\"\"$

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

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$\"\"$

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The parallel line is $\"\"$ .

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Rewrite the line equation.

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$\"\"$

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Compare the above line with slope - intercept form of a line equation : $\"\"$ .

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Slope of the parallel line is $\"\"$ .

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Slope of the parallel lines are equal.

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Hence slope of the tangent line parallel to the line $\"\"$ is $\"\"$ .

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

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$\"\"$

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$\"\"$ and $\"\"$

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$\"\"$ and $\"\"$ .

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Substitute $\"\"$ in the function.

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$\"\"$

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Point of tangency is $\"\"$ .

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Substitute $\"\"$ in the function.

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$\"\"$

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Point of tangency is $\"\"$ .

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$\"\"$

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Find the tangent line equation at point $\"\"$ .

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

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Find the tangent line equation at point $\"\"$ .

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

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$\"\"$

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Equation of the tangent lines are $\"\"$ and $\"\"$ .