mon29ika29
mon29ika29
01-08-2014
Mathematics
contestada
Square of the complex number (i - 2)?
Respuesta :
TestUser6
TestUser6
01-08-2014
[tex] (i-2)^{2} = i^{2} -4i+4 \\ i= \sqrt{-1} \\ i^{2} =-1 \\ i^{2} -4i+4=-1-4i+4=-4i+3\\ answer: 3-4i[/tex]
Answer Link
Аноним
Аноним
01-08-2014
[tex](i-2)^2=\\--------------------\\use:(a-b)^2=a^2-2ab+b^2\\--------------------\\=i^2-2\times i\times2+2^2=-1-4i+4=3-4i\\\\\\\\i=\sqrt{-1}\Rightarrow i^2=-1[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 68+ )
Otras preguntas
Seven months ago, Quinn witnessed the gruesome murder of a close friend. Although many people expected him to suffer from this, he seemed to have the opposite r
If f(x)=10x-1, the value of f(-2) is?
Bruno thinks he factored the GCF correctly. Do you agree 12r + 18 = 3(4r + 6)
hispanic consumers account for what percent of total canned food sales
May someone please help me out on this one? Thanks!Jon currently has 3 cases, 2 packs, and 20 sticks of gum. Tom also has three cases, but he has 5 packs of gum
the value of root 3 with three decimal places ?
If you run 10 minutes a day but don’t walk 45 minutes a day, and you don't find yourself living up to age of 90, then is the claim true or false? Why?
Most dictionaries divide syllables with a(n) ________. dotspace accent markdot or a space space or an accent mark (ANSWER ASAP PLEASE)
What basic Islamic belief do these lines support
Which events occur when a star is forming? Check all that apply.