$\"\"$

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

Consider $\"\"$ .

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

$\"\"$

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

$\"\"$

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

$\"\"$

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

$\"\"$

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

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

$\"\"$

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