Question

resolva a equação biquadrada, dando as raízes:​

Answer 1

(x^2 - 1)(x^2 - 12) + 24 = 0

x^4 - 13x^2 + 12 + 24 = 0

x^4 - 13x^2 + 36 = 0

(x^2 - 4)(x^2 - 9) = 0

x1 = 2

x2 = -2

x3 = 3

x4 = -3