$\"\"$

\

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

\

Find length of the curve. \ \

\

The curve is $\"\"$ .

\

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

\

$\"\"$

\

$\"\"$

\

Squaring on both side.

\

$\"\"$

\

The curve is $\"\"$

\

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

\

$\"\"$

\

$\"\"$

\

Square root on each side

\

$\"\"$

\

$\"\"$

\

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

\

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

\

$\"\"$

\

By usinq caluculator, $\"\"$ .

\

The lenght of the curve is $\"\"$ units. $\"\"$

\

The lenght of the curve is $\"\"$ units.