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Mathematics
irmarenee12
Oct 24, 2020, 7:44:30 AM
94

what is the absolute value of what is the absolute value of -4-sqrt(2)i

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bmgreene60
Oct 24, 2020, 8:54:42 AM

The absolute value of a complex number a+bi is the distance from the point (0,0) to the point (a,b) in the complex plane. By pythagoras the distance is therefore sqrt((-4)^2+sqrt(2)^2)=sqrt(16+2)=sqrt(18)

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