JEE MAIN - Mathematics Hindi (2022 - 25th July Morning Shift - No. 5)

यदि $$\lim\limits_{n \rightarrow \infty}\left(\sqrt{n^{2}-n-1}+n \alpha+\beta\right)=0$$ है, तो $$8(\alpha+\beta)$$ बराबर है :

$$4$$

$$-8$$