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 ( 35+ )
Otras preguntas
We saw the United States go from World War 2 to the 2000s. During this period, the United States is an example of “flawed greatness.
Help me ASAP for this matching
Please help ASAP. The question is down below.
Simplify. 2x (3-1) + 3 O 7 O 8 10 O 11
The vast majority of socialists favored: A. Violent revolution of the government B. Slow progress through regular political means C. Separation from the governm
What is the volume of the following prism? 7 m 3 Š 6 m
line and passes through C -2,0 in the 1, -3) Quetion of the line in standard form
Best Deals, Inc. has 10 units in ending merchandise inventory on December 31. The units were purchased in November for $160 each. The price lists from suppliers
Computing absorption costing gross profit Refer to your answers to Short Exercise S21-6. Product X sells for $175 per unit. Assume no beginning inventories. Ca
What is Chuck Anderson’s favorite style? A. vibrant colors with minimal lighting effects B. dull colors and powerful light effects C. bright colors and power