alstonmaya3 alstonmaya3

24-10-2016
Mathematics

contestada

What's the value of the product (3-2i)(3+2i)

Respuesta :

mreijepatmat mreijepatmat

16-06-2017

(3 - 2i)(3 + 2i) . Its form is (a - b)(a + b) = a² - b²
( a = 3 and b = 2i)

(3)² - (2i)²
= 9 - (4i²) , but 1² = -1
= 9 - (-4) = 9+4 = 13

So (3-2i)(3+2i) = 13

Answer Link

Otras preguntas

what is the answer ?

what causes the air to move?

Plz help I will give brainliest

Read the excerpt from chapter 10 of Animal Farm. There was enthusiastic cheering and stamping of feet. Napoleon was so gratified that he left his place and came

For the past week, Christopher has been studying for his first American History exam. Christopher plans to transfer and eventually become a pre-law major, so hi

How many weeks of leave can you take, and your job will be protected, if you have a baby someday, based on the Family Medical Leave Act?i need help

George got a bad grade on the test because he decided he would rather sleep than study. this is an example of a __ attribution

you eat 1/4 of a bag that is half full how much is left

please help this is due in 3 hours!! #17

Zach turned in an essay on humpback whales. His teacher explained the main message was unclear.How should he revise his paper?He should develop the paper’s cont