Question

Решите уравнения:
x³-3x=0 и
x³-11x=0.

Answer 1

1) $x^{3} -3x=0 \ x( x^{2} -3)=0 \ x_{1} =0 \ x_{2} = sqrt{3} \ x_{3} =- sqrt{3}$
2) $x^{3} -11x=0 \ x( x^{2} -11)=0 \ x_{1} =0 \ x_{2}= sqrt{11} \ x_{3} =- sqrt{11}$