What is the absolute value of the complex number -4-√2i? A. √14 B. 3√2 C. 14 D. 18

Mathematics · High School · Wed Jan 13 2021

Answered on

We have,

-4-√2i

Value of complex number is calculated by :

| a + bi| = √a² + b²

|-4-√2i| = √(-4)² + (-√2)²

= √16 + 2

= √18

 = 3√2

 

Hence, option (B) is correct. 

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