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Limits Continuity and Differentiability question

2022 · 25 Jul · Shift 1 · Q25

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JEE Main
Mathematics
Limits Continuity and Differentiability
2022 · 25 Jul · Shift 1 · Q25

Limits Continuity and Differentiability question

2022 · 25 Jul · Shift 1 · Q25

JEE MainMathematicsLimits Continuity and DifferentiabilityMCQ+4 / −1

If

\mathop {\lim }\limits_{n \to \infty } \left( {\sqrt {{n^2} - n - 1} + n\alpha + \beta } \right) = 0

, then

8(\alpha+\beta)

is equal to :

A
4
B
$-$ 8
C
$-$ 4
D
8

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