Limits, Continuity and Differentiability

Section: Mathematics

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Question : 43 of 51

Marks: +1, -0

If

lim

x→∞

(

x2+x+1

x−1

−ax−b) = 4, then

[JEE Adv 2012 P1]

a = 1 , b = 4
a = 1 , b = - 4
a = 2 , b = - 3
a = 2 , b = 3

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