Question

multimea M={-2;√8;√144;0,(2);-√2 1 supra 4 M intersectat Q

Answer 1

 [tex]M\cap{Q}=\{-2;\sqrt{144};0,(2);1/4\}\\ Obs.Daca\,\,-\sqrt2\, este\,separat\,de\,1/4\,atunci,\,si\,1/4\in({M\cap{Q}})\\ .\,\,\,\,\,\,\,\,\,\,In\,caz\,contrar\,adica\,\,-\sqrt{21}/4\not\in(M\cap{Q})[/tex]