Question

X4степень-5x2степень=0

Answer 1

x^4 - 5x^2 = 0
x^2(x^2 - 5) = 0
x^2 = 0
x = 0
x^2 - 5 = 0
x^2 = 5
x = √5
x = - √5
Ответ: x1 = 0, x2 = √5, x3 = - √5.