Question

Limites:
lim $\frac{ \sqrt{x-1} }{ \sqrt{2x+3 - \sqrt{5} } }$


quando x tende a 1?

Answer 1

$\lim_x_{-\ \textgreater \ }_1 \frac{ \sqrt{x-1}}{ \sqrt{2x+3 - \sqrt{5} } } = \frac{ \sqrt{1-1}}{ \sqrt{2*1+3 - \sqrt{5} } } = \frac{\sqrt{0}}{\sqrt{5 - \sqrt{5}}} = 0$