L
lolem1111


1) [TEX]lim (20-\sqrt{9n^2+n}+\sqrt{n^2 +2n})[/TEX]
2) [TEX]lim (\sqrt{n^2 -2n}+2\sqrt[3]{n^2 -8n^3}+\sqrt[3]{n^2 +n})[/TEX]
2) [TEX]lim (\sqrt{n^2 -2n}+2\sqrt[3]{n^2 -8n^3}+\sqrt[3]{n^2 +n})[/TEX]