Question

care e raspunsul ?

dupa rationalizare 45 supra radical din 45 obtinem??

Answer 1

$\frac{45}{ \sqrt{45} } =\ \textgreater \ \frac{45}{3 \sqrt{5} } =\ \textgreater \ \frac{45 \sqrt{5} }{15}=\ \textgreater \ \frac{9 \sqrt{5} }{3} =\ \textgreater \ 3 \sqrt{5}$