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°

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asked Apr 6, 2021 234k views

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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°

Mathematics
high-school

Dumbfingers asked

by Dumbfingers

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2 Answers

5 votes

Answer:

210

Explanation:

EDGE 2020

Rickkwa answered Apr 8, 2021

by Rickkwa

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2 votes

Answer:

210

Explanation:

Jan Tattermusch answered Apr 10, 2021

by Jan Tattermusch

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