20aporte 20aporte
  • 13-06-2019
  • Mathematics
contestada

What is the value of the product (3-2i) (3+2i)

Respuesta :

gmany
gmany gmany
  • 15-06-2019

Answer:

[tex]\large\boxed{(3-2i)(3+2i)=13}[/tex]

Step-by-step explanation:

[tex](3-2i)(3+2i)\qquad\text{use}\ (a-b)(a+b)=a^2-b^2\\\\=3^2-(2i)^2=9-4i^2\qquad i=\sqrt{-1}\to i^2=-1\\\\=9-4(-1)=9+4=13[/tex]

Answer Link

Otras preguntas

A set of equations is given below: Equation A: y = x + 1 Equation B: y = 4x + 5 Which of the following steps can be used to find the solution to the set of eq
Anita and Joelle bowl together and their combined total score for one game was 425 points. Anita’s score was 40 less than twice Joelle’s. What were their scores
A die is rolled. What is the probability of rolling the following? a multiple of 2 or a multiple of 5
What led henry viito leave the catholic church and create the church of england?
Amy finished her history assignment in 144 hours. Then she completed her math assignment in 1/3 hours. What was the total amount of time Amy spent doing the
I need heeeelp !!!!!
PLEASE HELP ASAP!!! Which of the following statements best describes a negative consequence of the federal government's use of credit? The government can use m
Someone please help me will give BRAILIEST!!!!!!!!!!!!!
According to this map, which of the following regions contained the most Russian missile sites? A. Oriente B. Havana C. Matanzas D. Pinar Del Rio Accor
Describe the second industrial revolution and explain how it contributed to imperialism.