$\"\"$

The statement is $\"\"$ .

Case(i):

Substitute $\"\"$ for $\"\"$ .

$\"\"$

The absolute value of $\"\"$ is $\"\"$ and absolute value of $\"\"$ is $\"\"$ .

Thus, the equation becomes $\"\"$ , it is true.

Case(ii):

Substitute

\"\"

for

\"\"

. \

$\"\"$

The absolute value of $\"\"$ is $\"\"$ and absolute value of $\"\"$ is $\"\"$ .

Thus, the equation becomes $\"\"$ , it is false.

Therefore, the statement is sometimes true.

$\"\"$

The equation is sometimes true.