bmiles2018 bmiles2018
  • 05-02-2018
  • Mathematics
contestada

What is the absolute value of the complex number -4 - sqrt2i?
A) sqrt14
B) 3sqrt2
C) 14
D)18

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 05-02-2018
Try this:
if a complex number is z=x+iy, where x=-4 and iy=-i√2, then:
[tex]|z|= \sqrt{x^2+(iy)^2}= \sqrt{16-2}= \sqrt{14}[/tex]
Answer Link

Otras preguntas

Which American suffrage leader was arrested in 1872 when she tried to cast a vote in the U.S. presidential election? A. Susan B. Anthony B. Ida B. Wells C. Carr
Is the sentence a simple or a compound sentence The hat was dark green and had a wide brim A simple B Compound
The legs of an isosceles right triangle are 5 inches long. What is the length of the hypotenuse of the triangle to the nearest inch?
Compare and contrast chinese and European means and motives for commercial expansion
who was the king that got executed in the 17th century
when and where was Hernando de Soto born
PLEASE HELP I GIVE THANKS
What cell is has Special vesicles containing enzymes
What percent by mass of each chloroform molecule is composed of chlorine?
Around the year 1000, Songhai’s leader converted to _____________________________, but most of the people continued to worship ________________________________.