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 ( 25+ )
Otras preguntas
The accompanying figure is the ogive for fat ( in grams) for a sample of 36 pizza products where the upper boundaries of the intervals are: 5, 10, 15, 20, 25, a
or Find the distance between the points (9,5) and (5,8). Write your answer as a whole number or a fully simplified radical expression. Do not round. units
What changed almost every aspect of the life in South Carolina in the late 1800s
I will give brainlest on first answer. Ok, I have another problem, this time it's a bit different. "Find the volume of this sphere. Use 3 for π." V ≈ [?]in^3
5.04 two side to every story Worksheet, I am reading Esperanza Rising novel by pam mumoz ryanPart 2: Conflict Timeline You're going to write about THREE differe
help me! its overdue!
(Need asap)Use the laws of logarithms to express each of the following as a single logarithm. a. log5 2+log2 3 b. log 12-log 3 c. ln 4+2 ln 3 d. log M+2 log N e
5.04 two side to every story Worksheet, I am reading Esperanza Rising novel by pam mumoz ryanPart 2: Conflict Timeline You're going to write about THREE differe
Brenda is a 26-year-old female who is being discharged from the hospital after a vaginal delivery. Why is she instructed to eat a diet high in fiber and drink 8
How is leather fabric made?
