👤

Va rog frumos exercitiul 16.
Dau coroana si 60 puncte


Va Rog Frumos Exercitiul 16 Dau Coroana Si 60 Puncte class=

Răspuns :

[tex]4 \sqrt{35}+(\frac{2\sqrt{5}}{\sqrt{7}}+1)*5\sqrt{7}-(\frac{1}{5}-\frac{1}{\sqrt{35}})*125\sqrt{7}-35\\ =4 \sqrt{35}+\frac{2\sqrt5+\sqrt7}{\sqrt7}*5\sqrt7-\frac{\sqrt7-\sqrt5}{5\sqrt7}*125\sqrt7-35=\\ =4\sqrt{35}+10\sqrt5+5\sqrt7-25\sqrt7+25\sqrt5-35=\\ =4\sqrt{35}+35\sqrt5-20\sqrt7-35[/tex]