$\"\"$

\

The expressions are $\"\"$ and $\"\"$

\

Find the value of $\"\"$ .

\

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

\

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

\

Find the value of $\"\"$ .

\

$\"\"$ (Multiply $\"\"$ and $\"\"$ )

\

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

\

Hence, $\"\"$ .

\

Therefore, the value of two expression is same.

\

Yes, the two expressions are equivalent.

\

$\"\"$ .

\

$\"\"$

\

Yes, the two expressions are equivalent.

\

$\"\"$ .

\