caitlynnbordelon2 caitlynnbordelon2
  • 19-02-2020
  • Mathematics
contestada

what is the product of 3+2i and 3-2i?

Respuesta :

Hrishii
Hrishii Hrishii
  • 19-02-2020

Step-by-step explanation:

[tex](3 + 2i)(3 - 2i) \\ \\ = {3}^{2} - {(2i)}^{2} \\ \\ = 9 - 4 {i}^{2} \\ \\ = 9 - 4( - 1).. ( \because \: {i}^{2} = - 1) \\ \\ = 9 + 4 \\ \\ = 13 \\ \\ \therefore \: (3 + 2i)(3 - 2i) = 13[/tex]

Answer Link

Otras preguntas

Which of the following is NOT indicated by Mendel’s experiments? (A) incomplete dominance (B) segregation (C) recessive (D) dominant (E) independent assortment
Which of the following is NOT indicated by Mendel’s experiments? (A) incomplete dominance (B) segregation (C) recessive (D) dominant (E) independent assortment
Isaac read 32% of oeople owned dogs what fraction of people owned dogs
What is FOIL and PEMDAS?
What industry has declined in Iran because of pollution?
X^2+5x-104=0 solve quadratic equations
The atomic mass of an element is 32.07 u and its atomic number is 16. The number of protons contained in the nucleus of an atom of this element is (A) 16 (B)
10 boys share 7 cereal bars equally ,what fraction of a cereal bar does each boy get ?
Why does a bullet have more kinetic energy than the recoiling rifle
How to solve -5/7-11/7x=-y 2y=7+5x