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 ( 26+ )
Otras preguntas
An electromagnetic wave in a vacuum has a wavelength of 0.07 m. What is its frequency? 4.3 x 108 m/s 4.3 x 10' Hz 3.0 x 108 m/s 3.0 x 10' Hz
2 3/4 −(−1 1/2 )+(− 5/6 )−(− 3/8 )−(+4 2/3 )
Bon is an example of: A Universalizing religion B Ethnic religion C Denomination D Stupa After his Enlightenment, Buddha traveled to Rome. A True B False
Which of the following statements are true? Check all that apply. View Available Hint(s) Check all that apply. The average speed of gas molecules decreases with
The difference in travel time of P waves and S waves is four minutes, how far from the epicenter is the seismograph station recorded it?
Identify and describe how graphs and Charts could play a role in your life, community current and future career
Please help me with this
Which describes emotional intimacy?
Given eight different sizes hats and three people, in how many ways can the three people be given a hat
Jordan is making a beaded necklace two thirds of the beads she uses are red and 4/21 of the beads are blue she wants the rest to be white what fraction of the b
