$\"\"$

The curve equation $\"\"$ and point $\"\"$ .

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

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

$\"\"$

Substitute $\"\"$ in the above expression.

$\"\"$

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

Slope $\"\"$ and point $\"\"$ .

$\"\"$

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

The equation of the tangent line at point $\"\"$ is $\"\"$ .