Question

Encontrar as raízes de 4x³ - 64x = 0

Answer 1

4x³ - 64x = 0
x(4x²-64)=0

x'=0

4x²-64=0
4x²=64
x²=64/4
x²=16
x=√16
x''=4
x'''=-4

As raízes são: 0, 4 e -4