is your expression. The conjugate is an important concept you need to know to solve this. 
would be 
)(
) is your expression. If you use distribution property, you will get to: 
The two middle terms would cancel out (they both add up to 0), so then we have 
This would simplify into 9-11, which is then -2
Find the product of the 3+ V11 and its conjugate.
...
Answers: 1
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