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2 years ago

15

For the complex number z = Negative StartFraction StartRoot 21 EndRoot Over 2 EndFraction minus StartFraction StartRoot 7 EndRoo

t Over 2 EndFraction i, what is arg(z)? 150° 210° 240° 330°

2 answers:

Rus_ich [418]2 years ago

7 0

Answer:

210

Step-by-step explanation:

gogolik [260]2 years ago

3 0

Answer:

210

Step-by-step explanation:

EDGE 2020

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