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 ( 49+ )
Otras preguntas
Cross out the incorrect pronoun, and write the correct one. The principal and assistance principal were sitting across the aisle from Corina and I.
According to milgram's study, under which of these conditions would the subject be most likely to stop shocking the learner?.
A person with blood type O has which antibodies in their blood plasma? A. No antibodies B. Anti-A antibodies C. Anti-B antibodies D. Anti-O antibodies
An object moving in a circle is represented by the motion map. An illustration of a circle with four black dots on the top labeled w, bottom labeled y, left lab
Guillermo bought textbook and notebook at the booktore. The number of textbook wa three more than twice the number of notebook. He bought even notebook. How man
URGENT-50 POINTS + brainly What is the sum of the series sum from n equals 1 to infinity of negative 3 times three eighths to the n power question mark
If a figure i dilated by a cale factor of 10, the area of the figure will change by a factor of how much?
Select the circle containing inaccurate information that does not align with the big bang theory.
Quetion The cot c (in dollar) for the fuel and maintenance of a go-cart i given by c=15x1000, where x i the number of ride. It cot $20 per ride. How many ride d
In lines 7 - 24, president washington explains that all parts of the nation work together & are equally important. What is one example he uses to support hi
