Practise the method.
Root moduli and roots of unity.
Example 1
Choose a trial, then switch views to investigate its power. The two views zoom independently; each keeps equal real and imaginary scales.
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Answer:
Example 2
Choose a trial, then switch views to investigate its power. The two views zoom independently; each keeps equal real and imaginary scales.
Show worked answer
Answer:
Example 3
Choose a trial, then switch views to investigate its power. The two views zoom independently; each keeps equal real and imaginary scales.
Show worked answer
Answer: