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

what happens with the heat or energy Earth receives from the sun?
17. Which expression is the simplest form of (x^-5/6)^6?
in green ville about 1 in every 8 homes has 3 computers
What effect did technology have on World War I? Question 19 options: A. It enabled nations to defeat their enemies with few casualties. B. It enabled na
How old are mayan ruins?
Residential fires are usually controlled with how many operating sprinkler heads?
which of these follows from kepler's laws of planetary motion? A- A satellite will slow down as it gets further from the much more massive object it orbits. B-
what type of information can you find about depression and anxiety using the internet?
What are the unit rates? FOR ALL OF THEM.
What is responsible for respiration in frogs? lungs gills tracheae skin