Question

Rationalizand 2/√10 este .....?

Answer 1

$\frac{2}{ \sqrt{10} } = \frac{2 \sqrt{10} }{10} = \frac{ \sqrt{10} }{5}$

Answer 2

2 supra √10, rationalizam cu √10
Obtinem: 2√10 supra 10, simplificat prin 2-->√10 supra 5