$\"\"$

The equation of integral is $\"\"$ and the interval is $\"\"$ .

Consider $\"\"$ .

Differentiate with respect to $\"\"$ .

$\"\"$

Fundamental theorem : $\"\"$ .

$\"\"$ , where $\"\"$ .

Arc length length formula : $\"\"$ .

$\"\"$

Thus, the length of the arc is $\"\"$ .

$\"\"$

The length of the arc is $\"\"$ .