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3 votes
For the complex number z = Negative StartFraction StartRoot 21 EndRoot Over 2 EndFraction minus StartFraction StartRoot 7 EndRoot Over 2 EndFraction i, what is arg(z)? 150° 210° 240° 330°

2 Answers

5 votes

Answer:

210

Explanation:

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User Rickkwa
by
4.7k points
2 votes

Answer:

210

Explanation:

User Jan Tattermusch
by
5.2k points
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