Question

Решите 3адание
X⁴-2X²-24=0

Answer 1

Ответ:

$x {}^{4} - 2x {}^{2} - 24 = 0 \\ t {}^{2} - 2t - 24 = 0 \\ t = - 4 \\ t = 6 \\ x {}^{2} = - 4 \\ x { }^{2} = 6 \\ x 1= - \sqrt{6} \\ x 2= \sqrt{6}$