$\"\"$

\

The function is $\"\"$ and the points are $\"\"$ and $\"\"$ .

\

The slope of the tangent line:

\

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

\

$\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$ .

\

The slope of the tangent at the point $\"\"$ .

\

$\"\"$ .

\

The slope of the tangent at the point $\"\"$ .

\

$\"\"$ .

\

Therefore, the slope of the tangent lines of the curve $\"\"$ at the points $\"\"$ and $\"\"$ are $\"\"$ .

\

$\"\"$

\

The slope of the tangent lines of the curve $\"\"$ at the points $\"\"$ and $\"\"$ are $\"\"$ .