paytonjo217113 paytonjo217113
  • 11-10-2020
  • Mathematics
contestada

Find the error and fix it
(4 +6i)^2= (4)^2 + (6i)^2
= 16 + 36i^2
= 16+ (36)(-1)
= -20

Respuesta :

cromulent
cromulent cromulent
  • 11-10-2020

[tex](4 + 6i)^2 = 4^2 + 24i + 24i + (6i)^2\\= 4^2 + 48i + 36i^2\\= 16 + 48i + 36(-1)\\= 16 + 48i - 36\\= 48i - 20 = 4(12i - 5)[/tex]

Answer Link

Otras preguntas

The president can veto bills, Congress can impeach the president, and the Supreme Court can declare laws unconstitutional are all examples of what system of gov
Your study space does not need to be quiet as long as you can ignore any noise coming from the space true or false?
What words come to mind to describe the soldier in this image? How do the children in the picture appear to feel about the soldier? What attitude toward war a
I NEED HELP PLEASE!!!
Need help. Forgot how to do this type
Which statements about enslaved persons in the North Carolina colony are correct? Check all that apply. They typically were enslaved by Quakers in the backcoun
Solve using row operations: 3x + 4y + 2z = 6
which 2 organ systems work together to break down and deliver food molecules to cells A. Cardiovascular and immune B. Nervous and muscular C. Digestive and car
Which value of x will make the fraction 10/x equivalent to 2/3? I need this urgently!!!
Consider functions f and g. f(x)=3 √x + 1 x g(x) 1 --------> 0 2 --------> 1 3 --------> 4 4 --------> 9 What is the value of f(g(1))? A) 3√2+1 B)