$\"\"$

The integral is $\"\"$ .

The function is $\"\"$ .

Graph the function:

$\"\"$

Observe the graph:

The function $\"\"$ is positive on the interval $\"\"$ and remaining is negative.

The integral $\"\"$ is maximum on the interval $\"\"$ .

$\"\"$ .

The constants $\"\"$ and $\"\"$ maximize the integral.

$\"\"$

$\"\"$ and $\"\"$ maximize the integral.