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 ( 54+ )
Otras preguntas
Which sentence does not contain a hidden verb? the lab assistant gave a demonstration on how to create a suitable sample. the office manager analyzed the finan
In a real system of levers, wheels, or pulleys, the AMA is less than the IMA because _____.
which best explains what happens in the currency exchange market? A) banks redeem bonds for various types of foreign currency. B) immigrants exchange their wage
Which of the following is one way Russias lack of industrialization impacted the war
I am MINDFUL that only yesterday in Philadelphia, Mississippi, young people seeking to secure the right to vote were brutalized and murdered. Martin Luther Kin
9,000ib= how many ton
Jason built a tool shed that is 8m wide and has an area of 96 square meters what is the length of the shed
1 mole of hcl(g) has a greater entropy than 1 mole of hbr(g). true or false
Find the illegal values of c in the multiplication statement c^2-3c-10/c^2+5c-14-c^2-c-2/c^2-2c-15
Which is a point mutation?