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

You hit someone with a force of 191 n. how much force is exerted on you? answer in units of n.
What process copies a sequence of dna nucleotides into a complementary sequence of rna nucleotides?
X to the second power =5
simplify 1-cos^2 θ/cos^2 θ
True or false? Charon is a planet.
Are dorothy hamill and mark hamill related
One impact of the internet on political campaigns is that __________.
A carpenter needs to cut down piece of wood that is 5.6 feet long to 1.71 feet . What is the measurement of the left over piece ?
"The Drive-In Movies" is written from the point of view of the author, Gary Soto. How would the story be different if it were written by a neighbor who observed
which of the following describes the study of how matter and energy behave