If _ x ( x^ 2 +x+1 x+1 -a x-b )=4, then
Mathematics · JEE Advanced · NTA Exams — Limit, Continuity and Differentiability
If \(\lim _{x \rightarrow \infty}\left(\frac{x^{2}+x+1}{x+1}-a x-b\right)=4,\) then
- a = 1, b = 4
- a = 1, b = – 4
- a = 2, b = –3
- a = 2, b = 3
Answer
(B) a = 1, b = – 4
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