$\"\"$

\

The coordinates are $\"\"$ .

\

The distance between two points with coordinates $\"\"$ is given by $\"\"$ .

\

Substitute $\"\"$ .

\

$\"\"$

\

$\"\"$ (Product of two same signs is positive)

\

$\"\"$ (Add: $\"\"$ ) $\"\"$

\

Evaluate powers: $\"\"$ .

\

$\"\"$

\

$\"\"$ (Add: $\"\"$ )

\

$\"\"$ (Power of $\"\"$ )

\

For any real number b and for any positive integer n: $\"\"$ . \ \

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The distance is $\"\"$ .