For the complex number z is equal to negative the fraction with numerator square root of 21 and denominator 2 minus the fraction with numerator square root of 7 and denominator 2 i , what is arg z ?

Name: Revolt
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210 degrees

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For the complex number z is equal to negative the fraction with numerator square root of 21 and denominator 2 minus the fraction with numerator square root of 7 and denominator 2 i , what is arg z ?

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