Question

urgente xfavor 12 puntos

Answer 1

$\frac{14}{3- \sqrt{2} } = \frac{14(3+ \sqrt{2} )}{(3- \sqrt{2})(3+ \sqrt{2} ) } = \frac{14(3+ \sqrt{2}) }{ 3^{2}- (\sqrt{2} )^{2} } = \frac{14(3+ \sqrt{2}) }{9-4} = \frac{14(3+ \sqrt{2}) }{5}$