clanid4pe0czt clanid4pe0czt
  • 25-08-2018
  • Mathematics
contestada

what is the absolute value of (3+4i) (3-4i)

Respuesta :

gmany
gmany gmany
  • 25-08-2018

First simplify. Use (a + b)(a - b) = a² - b²:

[tex](3+4i)(3-4i)=3^2-(4i)^2=9-4^2i^2=9-16(-1)=9+16=25[/tex]

Absolute value:

[tex]|(3+4i)(3-4i)|=|25|=25[/tex]

Answer Link

Otras preguntas

For a protein to be an integral membrane protein, it would have to be _____.
which of the following routes involves that right outside the Byzantine Empire
eight elements of thoughts similar to one another
there are 332,054people in a city.of these are 168,278 are under the age of eighteen.Draw a bar diagram and find how many people are under the age if eighteen
Assume that the quarterback has a valid employment contract with the football team, how would it be determined whether or not the team may, without liability, f
What happened in july 1776?
What is −4 4/5÷4 in lowest terms??
Evan wants to buy a digital camera that sells for $199.99 if he uses his dicount card he will save 18%. about how much will he save using that discount card.
35 is 70% of what number?
what fact about the commoners attracts flavius' attention?