$\"\"$

\

The inequality $\"\"$ .

\

Solve inequality.

\

$\"\"$ (Original inequality)

\

$\"\"$ (Multiply each side by $\"\"$ )

\

$\"\"$ (Cancel common terms)

\

$\"\"$ (Simplify)

\

Therefore,the solution set is $\"\"$ .

\

$\"\"$

\

Check:

\

Case(i): $\"\"$

\

$\"\"$ (Original inequality)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Simplify)

\

$\"\"$ (Simplify)

\

Case(i): $\"\"$

\

$\"\"$ (Original inequality)

\

$\"\"$ (Substitute $\"\"$ )

\

$\"\"$ (Simplify)

\

$\"\"$ (Simplify)

\

Hence the value of $\"\"$ is satisfied.

\

$\"\"$

\

The solution set is $\"\"$ .