\"\"

\

Binomial theorem :

\

\"\"

\

\"\".

\

Where \"\", \"\" are real numbers and \"\" is any positive integer.

\

\"\"

\

The expression is \"\".

\

By using binomial theorem:

\

\"\"

\

\

\"\"

\

\"\"

\

\"\"

\

\"\"

\

\"\".

\

Therefore, the expansion of \"\" is \"\".

\

\"\"

\

The expansion of \"\" is \"\".