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 ( 82+ )
Otras preguntas
Which relation is a function? A. (3,4),(3,3),(1,2),(1,5) B. (3,4),(2,4),(5,1),(3,5) C. (1,3),(2,6),(3,9),(4,12) D. (1,4),(1,3),(1,2),(1,1)
Point A is located at (-5, -8). After it is translated, point A' is located at (-5, -5). What was the translation? 3 units to the right 3 units to the left 3 un
help me please asap!!!!!!
Briefly explain how a star produces its own heat and light.
How does the poet use rhyme scheme to emphasize theme?A.The poet uses an ABABAB rhyme scheme to illustrate the constant, unyielding grace of his subject.B.The p
At the movie theater, child admission is $5.30 and adult admission is $8.60. On Monday, three times as many adult tickets as child tickets were sold, for a tota
types of 4 basic tissue and where they belong
Help which expression represents the phrase 8 less than the product of 6 and a number x
The molecule shown is a
What is the surface area of the composite figure