Question

Qual a Resposta x⁴-x²=0

Answer 1

x⁴ - x²=0

x²( x² -1) = 0

x² (x+1) (x-1)=0 ↓

x²=0. ==> x'=0

(x+1)=0 ==> x'' = -1

(x-1)=0 ==> x''' = 1

S: {-1, 0, 1 }