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 ( 66+ )
Otras preguntas
What is an integer?A)any positive or negative numberB)positive and negative whole numbers and zeroC)the opposite
True or false aerobic respiration produces more atp than anaerobic respiration
I know a lot of questions but is this right???
Only certain types of physical activity help to develop physical fitness. Please select the best answer from the choices provided. OT OF
A city slave is almost a freeman, compared with a slave on the plantation. . . . There is a vestige of decency, a sense of shame, that does much to curb and che
Describe how the four remaining expedition members survived.
According to the passage, what were the effects of the plague? Select all that apply.
How is the character of Laurie similar in the text to Laurie in the film version of "Charles"? In both versions, Laurie gets along better at school than at ho
which is the sum of and [tex] \frac{1}{3} [/tex][tex] \frac{3}{10} [/tex]
Write the number eight million, one in number form
