Question

Determine os produtos (x² + 1) . (x² - 1) ..

Answer 1

$\left(x^2+1\right)\left(x^2-1\right)\\\\\left(x^2+1\right)\left(x^2-1\right)=\left(x^2\right)^2-1^2\\\\=\left(x^2\right)^2-1^2\\\\=x^4-1$

Answer 2

Resposta:

$(x² + 1) . (x² - 1) = </p><p></p><p> x {}^{4} - 1$