11 POINTS PLZ HELP EMERGENCY
1 answer:
Part A
The given expression is:
We expand to get:
Note that
Part Bi)
The given expression is;
We simplify to get:
Note that:
This is now of the form , where .
This explains why it is a complex number;
Part bii)
The given expression is :
We simplify to get
Part C
We want to simplify:
We rewrite in terms of
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