Răspuns: Ai mai jos rezolvarea
Explicație pas cu pas:
Salutare!
[tex]\bf \:\:a)\:\: \dfrac{2}{3\sqrt{2}}=\dfrac{2}{3\sqrt{2}}\cdot\dfrac{\sqrt{2}}{\sqrt{2}}=\dfrac{2\sqrt{2}}{3\sqrt{2}\cdot\sqrt{2}}=\dfrac{2\sqrt{2}}{3 \cdot 2}=\dfrac{\sqrt{2}}{3} [/tex]
[tex]\bf \:\:b)\:\: \dfrac{3}{2\sqrt{5}}=\dfrac{3}{2\sqrt{5}}\cdot\dfrac{\sqrt{5}}{\sqrt{5}}=\dfrac{3\sqrt{5}}{2\sqrt{5}\cdot\sqrt{5}}=\dfrac{3\sqrt{5}}{10}[/tex]
[tex]\bf \:\:c)\:\: \dfrac{5}{4\sqrt{3}}=\dfrac{5}{4\sqrt{3}}\cdot\dfrac{\sqrt{3}}{\sqrt{3}}=\dfrac{5\sqrt{3}}{12}[/tex]
[tex]\bf \:\:d)\:\: \dfrac{3}{2\sqrt{7}}=\dfrac{3}{2\sqrt{7}}\cdot\dfrac{\sqrt{7}}{\sqrt{7}}=\dfrac{3\sqrt{7}}{14}[/tex]
[tex]\bf \:\:f)\:\: \dfrac{7}{2\sqrt{13}}= \dfrac{7}{2\sqrt{13}}\cdot\dfrac{\sqrt{13}}{\sqrt{13}}=\dfrac{7\sqrt{13}}{26}[/tex]
[tex]\bf \:\:g)\:\: \dfrac{4}{5\sqrt{14}}= \dfrac{4}{5\sqrt{14}}\cdot\dfrac{\sqrt{14}}{\sqrt{14}}=\dfrac{2\sqrt{14}}{35}[/tex]
[tex]\bf \:\:i)\:\: \dfrac{8}{3\sqrt{17}}= \dfrac{8}{3\sqrt{17}}\cdot\dfrac{\sqrt{17}}{\sqrt{17}}=\dfrac{8\sqrt{17}}{51}[/tex]
[tex]\bf \:\:j)\:\: \dfrac{3}{4\sqrt{19}}= \dfrac{3}{4\sqrt{19}}\cdot\dfrac{\sqrt{19}}{\sqrt{19}}=\dfrac{3\sqrt{19}}{76}[/tex]
⊱─────✧pav38✧─────⊰
