Pammie123cakess
Pammie123cakess
04-06-2014
Mathematics
contestada
how do I solve (3+i)(3-i)
Respuesta :
kate200468
kate200468
04-06-2014
[tex] (3+i)(3-i)=3(3-i)+i(3-i)=9-3i+3i-i^2=9-(-1)=\\\\=9+1=10[/tex]
Answer Link
kayt91
kayt91
05-06-2014
(3+I)(3-1)
-i^2+9=0
-I^2=-9
I^2=9
i= + or - 3
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
Find k given that (3k + 1), k, and - 3 are the first three terms of an arithmetic sequence. Show your work and please explain what you did in each step.
Which renewable energy source is used most?
how to write essay describe your personal and/or career goals after graduating from uiuc and how your selected first-choice major will help you achieve them.?
What type of element is SBR4
who is father of india
Nahla bought 4 CDs that were each the same price. Including sales tax, she paid a total of $48.80. of that total, $4.40 was tax. What was the price of each CD b
What is 1984 about? Should I read it?
Factors that influence standard of living Which of the following factors explains most of the differences in standards of living among countries around the worl
which best-selling book, written by angela duckworth, explains how success can be achieved by a combination of passion and persistence?
1. Decide if it is appropriate to use the normal distribution to approximate the random variable x for a binomial experiment with sample size of n = 6 and proba
