dmchavez248 dmchavez248
  • 10-12-2014
  • Mathematics
contestada

Solve the equation in the complex number system
X^4-2x^2-3=0

Respuesta :

konrad509
konrad509 konrad509
  • 10-12-2014
[tex]x^4-2x^2-3=0\\ x^4+x^2-3x^2-3=0\\ x^2(x^2+1)-3(x^2+1)=0\\ (x^2-3)(x^2+1)=0\\ x^2-3=0 \vee x^2+1=0\\ x^2=3 \vee x^2=-1\\ x=-\sqrt3 \vee x=\sqrt3 \vee x=-i \vee x=i[/tex]
Answer Link

Otras preguntas

Ms. Lipscomb talks to her 4-month-old son using short sentences with distinct pauses between speech segments. She uses a high-pitched voice and exaggerated expr
Help help help help
A manager in your organization just received a special order at a price that is "below cost." The manager points to the document and says, "These are the kinds
Solve for r 5-2(1-6r)=24
14. Who shared command of The Alamo, but became sick during the battle? a. James Bowie b. Sam Houston C. Davy Crockett
about 85℅ Australians live in the soith east of the continent why​
Randall has a rectangular piece of paper. If the length is represented by A and the width is represented by C, find the perimeter of the paper.
evaluate 6(5-(6-5)-3​
Six numbers are all less than 10. The greatest number is 9, and the least number is 1. The mean of these numbers is 6, the median is 7, and the mode is 8. When
An isosceles triangle has an area of 31 cm2, and the angle between the two equal sides is 5π/6. Find the length of the two equal sides. (Round your answer to on