timdjinks timdjinks

04-08-2021
Mathematics

contestada

SImplify to standard form (a+bi)
(12-9i)²

Respuesta :

04-08-2021

Answer:

Hello,

Step-by-step explanation:

Formula used (a+b)^2=a²+2ab+b²

[tex](12-9i)^2=3^2*(4-3i)^2\\\\=9*(16-9-24i)\\\\=9*(7-24i)\\\\=63-216i\\[/tex]

Answer Link

Otras preguntas

Which right was not granted to free African Americans in colonial society? A. Being a landowner B. Becoming slaveholders C. Having the right to vote D. Freein

An apple has 24 fewer calories than a banana. If 7 bananas have the same number of calories as 10 apples, how many calories are in a banana

Carlos has 58 pencils.what is the value of the digit 5 in this number?

What parts of the environment can control the size of a population?

Figured bass notation can be found in the music of the:

What is the difference between messenger RNA and transfer RNA?

Is 4/25 greater than 0.28

Which additional word in this sentence should be capitalized. One twenty-first-century psychologist with a popular television show is doctor Phil.A. Century B.

Identify the property used in the first five steps to solve the equation 2(x – 5) - 6x= -22

Consider that lines u and v are parallel. Which equation models the relationship between the angles? What is the value of x? A) 12x - 4 = 10x + 10; x = 7 B) 12