Question

me Ajudeem pfvrr
(x-1/x)(x+1/x)​​

Answer 1

Resposta:

$\frac{x - 1}{x} \times \frac{x + 1}{x} = \\ \\ \frac{ { {x}^{2} + x - x - 1} }{ {x}^{2} } = \\ \\ \frac{ {x}^{2} - 1 }{ {x}^{2} } = 1 - 1 = 0 \\ \\ obs... \frac{ {x}^{2} }{ {x}^{2} } = 1$