Leroro123
Leroro123 Leroro123
  • 20-05-2018
  • Mathematics
contestada

If z =[tex] \sqrt{2} [/tex] - 2i, then |z| = _____.

[tex] \sqrt{3} [/tex]
[tex] \sqrt{6} [/tex]
3
6

Respuesta :

altavistard
altavistard altavistard
  • 20-05-2018
This requires an approach much like the distance formula.

The abs. val. of z here is a positive quantity equal to:

|z| = sqrt(  [sqrt(2)]^2 + [2]^2 ) = sqrt ( 2 + 4 ) = sqrt^6).
Answer Link

Otras preguntas

Between which pair of numbers is the exact product of 379 and 8. Give an example how to solve.
Malaysia's two geographical regions are separated by what body of water?
180 is the lcm of 12 and a number,N.  What are possible valuse of N?
Sue scored a total of 35 points in two games. She scored 6 times as many points in the second game as in the first. How many more points did she score in the se
the moon is about 240,00 miles from earth. what is this distance written as a whole number multiplied by a power of ten
Use the place value What is the 805 tens = ____________
9/2. Write the fraction as a mixed number 10/7 write the fraction as a mixed number
What good and bad things did Charles 1st do
what makes chitin strong?
What's the answer to 11d+10=6d