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

Northern states wanted a nationwide tariff on imported goods because it would
Given the following formula, solve for r. c=2x3.14r
Should American rights be protected by the states they live in, not by the federal government.
PLZZZ HELP Which of the following describes the elements of art used in Frida Kahlo's Self-Portrait with Monkeys? A-The artist used oil on canvas as a medium.
Please help Mia: What day it is today? Vie: ....................................... Mia: My parents said today we'll celebrate an event, do you know what does t
Which is the noble gas notation for chlorine? [Ne] 4s2 4p5 [Ne] 3s2 3p5 [Ne] 3s2 3p3 [Ne] 3p2 3p5
Please help thank youu
The prefixes a-, non-, and the suffix -less can all mean...
Find the Indicated Angle.
How is a rational number in fraction form, converted to its decimal form? Show an example