\"\"

\

The functions are \"\" and \"\".

\

Find \"\".

\

\"\"            (Original function)

\

\"\"              (Substitute \"\")

\

\"\"                (Simplify)

\

Find \"\".

\

\"\"     (Substitute \"\")

\

\"\"              (Substitute \"\")

\

\"\"                           (Simplify)

\

Therefore the value of \"\" is \"\".

\

\"\"

\

\"\".