The expression is .
Consider the first expression is .
Apply power of a product property:.
Apply power of a power property:.
Consider the second expression is .
Apply power of a power property:.
Apply power of a product property:.
Apply power of a power property:.
The values of and
are substitute in the
.
Group the coefficients and the variables.
\Group the same variables.
\Apply product of powers property: .
The value of .