SubArea: Limit of a sequenceLevel: CProject ID: 1003047607Accepted: 1Clonable: 0Easy: 0Find the limit \( \lim\limits_{n\to\infty} n\left( \sqrt n-\sqrt{n-1} \right) \).\( \infty \)\( \frac12 \)\( 0 \)\( 2 \)\( -\infty \)