tamivey84 tamivey84

08-08-2016
Mathematics

contestada

If the complex number x = 3 + bi and |x|2 = 13, which is a possible value of b?

Respuesta :

Edufirst Edufirst

19-08-2016

|x|^2 = 13
|x|^2 = 3^2 + b^2 = 9 + b^2

b^2 + 9 = 13

b^2 = 13 - 9

b^2 = 4

b = 2 or - 2

Answer Link

Otras preguntas

Describe Rashad's father's reaction and why it was astonishing to Rashad?

Can someone help me please thank you :)

how do you prove that vertical angles are ⩭

An individual's needs for nutrients and energy change over the life span. True or false

What is a specific way that we could test the idea that the bacteria close to and farther away from the rings are different from each other?will give brainliest

A Child’s Growth and Prosperity When a new baby enters this world, pediatricians will monitor the baby’s growth in many areas. Weight, head circumference, lengt

Using the information in Model B as a reference. Which of the following from the elephant is directly available to the lion? Grass Respiration Biomass Waste I n

HELP PLS LAWD HAVE MERCY

Find the values of x, y, and z in the triangle to the right.

Please answer this questions if you all know this and if you don't know the answer, don't answer this questions: