Question

AJUDAAAAA
Resolva a equação: (x² + 1)² + (x² - 1)² = 4x² *

0
1, -1
-1, 1, 2, -2
Não existem raízes reais

Answer 1

$(\text x^2+1)^2+(\text x^2-1)^2=4\text x^2 \\\\ \text x^4+2\text x+1+\text x^4-2\text x+1=4\text x^2 \\\\ 2\text x^4+2=4\text x^4 \\\\ 2\text x^4=2 \\\\ \text x^4 = 1 \\\\ \underline{\text{Ra{\'i}zes}}:\\\\ \huge\boxed{\text x = 1 \ , \ \text x = -1}\checkmark$