graydoncole4618
graydoncole4618 graydoncole4618
  • 01-09-2020
  • Mathematics
contestada

What is the value of the product (3 – 2i)(3 + 2i)? 5 9 + 4i 9 – 4i 13

Respuesta :

littlelitmax
littlelitmax littlelitmax
  • 01-09-2020

Answer:

13

Step-by-step explanation:

(3-2i)(3+2i)

as (a+b)(a-b) =a²-b²

3²-(2i)²

=9-(4*-1)

=9-(-4)

=9+4

=13

Hope this helps you!

Answer Link
Lukrest Lukrest
  • 08-10-2020

Answer:

13

Step-by-step explanation:

3^2=9, 2i*(-2i)=-4i^2=4

the 6i and -6i cancel leaving the positive 9 and 4

9+4=13

Answer Link

Otras preguntas

5 cm 13 cm and 12 cm is a right triangle
Who succeeded the last Carolingian king? a. Henry II c. Edward I b. Hugh Capet d. Philip IV
A carbon-12 atom has 6 protons, 6 neutrons, and 6 electrons. How many protons does a carbon-14 atom have?
what is the SI unit of measure for sound intensity
Which early American culture was one source of inspiration for the structure of present-day United States politics?
Score: You may find _____ in your backyard, flying around or spinning a web. You may also find some of them on your dinner plate. Porifera: sponges Cnidaria:
When evacuating the premises during an active shooter incident, your responsibilities to others include: Warning individuals not to enter the area where the act
The approach of the early American juvenile court is best described as Paternalistic Adversarial Maternalistic Due process-oriented
Roosevelt's policy enforcing the Monroe Doctrine in the Caribbean was called the
850 tens equals how many thousands