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

how did the akkadian empire form
-x² + 4x - 4 = 0 Solve the equation
During the process of steel production, the flaws in steel casting are detected by a. ultrasonic vibrations. b. infrasonic vibrations. c. resonant vibrations. d
What does a hero usually do shortly before embarking on his quest?A) Condition himself physicallyB) Spend time in isolationC) None of these are correctD) Go ove
where would old cell organelles be broken down to be recycled in the cell
A short story that clearly illustrates a lesson and usually includes an animal as the main character is___________.
3(a + b) = 3a + 3b is an example of which algebraic property? Distributive Property Associative Property of Addition Commutative Property of Addition Symmet
How is copper that is suitable for making electrical wires produced?
What would you have to know to estimate the biotic potential of an apple orchard?
Express 14 100 000 in scientific notation