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

Please answer correctly. Thanks! Will mark brainliest
i need the answer and if possible, can you show your work? i would like to know the steps. Please and thanks you
Graph the function f(x)= -(x-2)^2 +4. In what form is this quadratic function written? _________________________. List the values of the following parameters:a
What is another natural source for CO2
we never disobey our superiors into passive voice​
Which words create an order of events in the poem "Friends" and "giggles" "Without" and "words" "Crouched" and "low" "Before" and "finally"
Can someone please help me on these questions!
Give an example of a system whose mass is not constant. 1. A spinning top 2. A baseball flying through the air 3. A rocket launched from Earth 4. A block slidin
in framing a government which is to be administered by men over man the great difficulty lies in this you must first enable the government to control the govern
The line 5y−6x−10=0 is given.What is the slope of this line?