Nilai lim x ➡ 1 √x - √2x -1 / x - 1 =

[tex]\lim_{x \to 1} \frac{\sqrt{x}-\sqrt{2}x-1}{x-1}}\\= \frac{\sqrt{1}-\sqrt{2}\,.\,1-1}{1-1}}\\=\frac{1-\sqrt{2}-1}{0}}\\=\frac{-\sqrt{2}}{0}}\\=-\infty[/tex]

tolong dikoreksi ya, terimakasih :)