Answer:

Step-by-step explanation:
Complex numbers identity:
The complex numbers identity is:

Square of the sum:

In this question:





So

Answer:
That equation doesn't make sense, so this equation means "no solution"
Step-by-step explanation:
The answer is whole
Hope this helps
Answer:
b.) because it is over 90*
Step-by-step explanation:
The answer will be that it might be a square