$\"\"$ \ \

The function is $\"\"$ . \ \

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

$\"\"$ \ \

Apply Derivative of the Natural Logarithmic Function $\"\"$ , $\"\"$ . \ \

$\"\"$ \ \

$\"\"$ . \ \

$\"\"$ \ \

Find the equation of tangent line to the function at point $\"\"$ . \ \

The slope of the tangent line is $\"\"$ at $\"\"$ . \ \

slope is $\"\"$ . \ \

The point-slope form is $\"\"$ . \ \

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

$\"\"$ \ \

$\"\"$ . \ \

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

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