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 ( 88+ )
Otras preguntas
explain what changes were needed in order for the country to run smoothly
A student used the following table of values and stated that the function described by the tables was a linear function
Consider the equation below. -3(4x - 7) = 15 – 2x The equation was solved using the following steps. Step 1: Step 2: Step 3: -12x + 21 = 15 – 2x -10.x + 21 = 15
What is the name of the case that recast privacy as a fundamental right protected under the substantive due process of the Fourteenth Amendment?
According to Steinbeck, when ex-soldiers do not talk about their battle experience they are described as:________.
A good with a supply generates no deadweight loss when taxed. D a. somewhat inelastc O b. somewhat elastic O c. slowly increasing O d. perfectly elastic e perf
Which of the following is NOT one of the four general sources from which people acquire social knowledge?a. Personal experiencesb. Empirical datac. Other social
8(2f-2)=7(3f+2)(if there is no solution,type in ''no solution'')f= Answer
A speaker opens with the following question: "Did you know that on this date in 1954, the USS Nautilus, the first atomic submarine, was launched at Groton, Conn
which term best descirbes the infants that are born therre weeks or more before the pregnancy has reached its full term?
