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

In contrast to adults, cardiac arrest in children is usually caused by
A square is a rhombus Never Always Sometimes
The election for governor of texas is held in an off-year in order to
This type of artwork showed the deplorable living conditions of the people during the great depression.
Frozen yogurt has 75 calories in 2 ounces.How many calories are in 8 ounces of the frozen yogurt
How are divergent evolution and adaptive radiation related?
I need to find its volume
How does the federal government fund the yearly budget? It borrows money by selling bonds and takes in tax revenue. It borrows money by buying bonds and prints
Why should i care about saving an animal in adoption?
An english scientist created the first periodic table of elements