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

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10-12-2014
Mathematics

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

Respuesta :

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konrad509 konrad509 · Answer 1 · 2014-12-10T17:37:17+01:00

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]

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

Respuesta :

Otras preguntas

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