Question

x+(1/x)=14
$\times + (1 \div \times ) = 14$
qual é o valor de X?​

Answer 1

$x + \frac{1}{x} = 14 \\ {x}^{2} + 1 = 14x \\ {x}^{2} - 14x + 1 = 0 \\ delta = 196 - 4 \times 1 \times 1 = 192 \\ x = \frac{14 + \sqrt{192} }{2} \\ x = \frac{14 - \sqrt{192} }{2}$