Question

Exercitiile 3.Amandoua
Va rog :)

Answer 1

$\displaystyle\sqrt{1\frac{3}{4}}=\sqrt{\frac74}=\frac{\sqrt7}{2}\in\mathbb{I}\rightarrow D$

$\displaystyle\frac{75}{12}=\frac{5\sqrt3}{2\sqrt3}=\frac52\in\mathbb{Q}\rightarrow C$