$\"\"$

\

The curves are $\"\"$ and $\"\"$ ; $\"\"$ .

\

Find length of the curve.

\

The curve is $\"\"$ .

\

Differentiate on each side with respect to $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The curve is $\"\"$ .

\

Differentiate on each side with respect to $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Length of the curve is $\"\"$ ; $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ and $\"\"$ in the formula.

\

$\"\"$

\

By using caluculator, $\"\"$

\

The length of the curve $\"\"$ units.

\

$\"\"$

\

The length of the curve $\"\"$ units.