If \[\underset{x\to \infty }{\mathop{\lim }}\,\left\{ \frac{{{x}^{3}}+1}{{{x}^{2}}+1}-(ax+b) \right\}=2\], then

If \[\underset{x\to \infty }{\mathop{\lim }}\,\left\{ \frac{{{x}^{3}}+

1.	If \[\underset{x\to \infty }{\mathop{\lim }}\,\left\{ \frac{{{x}^{3}}+1}{{{x}^{2}}+1}-(ax+b) \right\}=2\], then
A.	\[a=1,\text{ }b=1\]
B.	\[a=1,\text{ }b=2\]
C.	\[a=1,\text{ }v=-2\]
D.	None of these
Answer» D. None of these

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If \[\underset{x\to \infty }{\mathop{\lim }}\,\left\{ \frac{{{x}^{3}}+1}{{{x}^{2}}+1}-(ax+b) \right\}=2\], then

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