$\"\"$

Linear density of the rod of $\"\"$ long is $\"\"$ Kg/m.

Average value of the function $\"\"$ on $\"\"$ is defined as $\"\"$ .

Here $\"\"$ and $\"\"$ .

Length of the interval is $\"\"$ .

Average density of the rod is $\"\"$ .

Average density of the rod is $\"\"$

$\"\"$

Average density of the rod is $\"\"$ kg/m.

$\"\"$

Average density of the rod is $\"\"$ kg/m.