AnswersPGHS Precalculus BMultiply and Divide Complex NumbersQuestion 1
1
QuizMultiple Choice

Multiply and Divide Complex Numbers

Question 1 • *PGHS Precalculus B

Let z = and .What is zw?

Question illustration
Answer
A
StartFraction 11 Over 7 EndFraction (cosine (StartFraction pi Over 6 EndFraction) + i sine (StartFraction pi Over 6 EndFraction))
Option A
B
77 (cosine (StartFraction pi Over 6 EndFraction) + I sine (StartFraction pi Over 6 EndFraction))
Option B
C
StartFraction 11 Over 7 EndFraction (cosine (StartFraction pi Over 12 EndFraction) + I sine (StartFraction pi Over 12 EndFraction))
Option C
D
77 (cosine (StartFraction pi Over 12 EndFraction) + I sine (StartFraction pi Over 12 EndFraction))
Option D
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