Property $\"\"$ of integral is $\"\"$ , where $\"\"$ is any constant.

Assume $\"\"$ .

Theorem 4 of integration:

If $\"\"$ is integrable on $\"\"$ , then $\"\"$ , where width of the interval $\"\"$ and $\"\"$ .

$\"\"$

$\"\"$ .

Hence the property is verified.

$\"\"$ .