Question

Calcule o valor racional de x/x+1/x+1/x , para x=3

Answer 1

$\frac{x}{x+ \frac{1}{x+ \frac{1}{x} } } = \frac{3}{3+ \frac{1}{3+ \frac{1}{3} } } = \frac{3}{3+ \frac{1}{ \frac{10}{3} } } = \frac{3}{3+ \frac{3}{10} } = \frac{3}{ \frac{33}{10} } = 3. \frac{10}{33} = \frac{30}{33}$

Espero ter ajudado.