mannyveloz55
mannyveloz55 mannyveloz55
  • 26-05-2021
  • Mathematics
contestada


[tex]x {} ^{2} + 49 = 0[/tex]
Hello, I need help :/​

Respuesta :

tataplayer10
tataplayer10 tataplayer10
  • 26-05-2021

If we are in the real numbers, we don't have solutions:

[tex]x^2 +49 = 0 \implies x^2 = -49 \implies x \not\in\mathbb{R}[/tex]

If we go beyond:

[tex]x^2 +49 = 0 \implies x^2 = -49 \implies x = \pm\sqrt{-7^2} \implies x = \pm7i[/tex]

Answer Link

Otras preguntas

Who was responsible for allocating materials and making prices in world war 1
If i is raised to an odd power, then it can not simplify to be
What is 14 divided by 396.2 ??
Eisenhower, Kennedy, and Johnson all approved of the United States backing the South Vietnamese in their civil war. a. True b. False
Which of the following politicians is most associated with fighting for causes that affected U.S. farmers? a. William McKinley b. Theodore Roosevelt c. Willi
What was the Delian League? A : an organization of Gre
Which lines in the passage explain why english scholars felt a dire need to set standards for the english language?
Write 54/9 as a whole number
Jack cut a piece of wood that was 8 feet long into two pieces. One piece is three times as long as the other. How long is the shorter piece of wood? A. 1
Technology, innovation, and industrialization increased the _____ of conflict, as can be seen when one compares the Thirty Years War, the Thirty Years World War