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

Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4
One-half of a number is -12. Find the solution ???
Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
factoring 12m^2n^2-8mn+1=
among the qualities listed on the human relations scale, the most important one for the building new relationship is?
What Canadian city is across a body of water from New York
What do you mean by corrosion? How can you prevent it?
I = {1, 2} List all possible subsets of the given set.
A storage tank shaped Like a rectangular prism is being manufactured to hold 100,000 cubic feet of natural gas. It has a length of 10 feet and a width of 25 fee
Why do Andhra Pradesh donot recive any snow fall during during winter months. PLEASE HELP.....EXAM TOMORROW